Home / 12,407.34-17,122.44-6,818.34

Finding the Fourth Proportional to 12,407.34, 17,122.44 and 6,818.34

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Solution

The fourth proportional to 12,407.34, 17,122.44 and 6,818.34 is: 9,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.34 : 17,122.44 = 6,818.34 : x
  2. Step 2: Convert to fraction form
    12,407.34/17,122.44 = 6,818.34/x
  3. Step 3: Cross multiply
    12,407.34x = 17,122.44 × 6,818.34
  4. Step 4: Simplify right side
    12,407.34x = 116,746,617.55
  5. Step 5: Solve for x
    x = 116,746,617.55/12,407.34
  6. Step 6: Final answer
    x = 9,409.48

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Half scale
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Double scale
Find fourth proportional to 12,408.34, 17,123.82 and 6,819.34
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.