Home / 12,430.55-17,154.16-6,841.55

Finding the Fourth Proportional to 12,430.55, 17,154.16 and 6,841.55

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Solution

The fourth proportional to 12,430.55, 17,154.16 and 6,841.55 is: 9,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.55 : 17,154.16 = 6,841.55 : x
  2. Step 2: Convert to fraction form
    12,430.55/17,154.16 = 6,841.55/x
  3. Step 3: Cross multiply
    12,430.55x = 17,154.16 × 6,841.55
  4. Step 4: Simplify right side
    12,430.55x = 117,361,009.14
  5. Step 5: Solve for x
    x = 117,361,009.14/12,430.55
  6. Step 6: Final answer
    x = 9,441.34

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Half scale
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Double scale
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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.