Home / 15,341.70-21,170.01-8,626.26

Finding the Fourth Proportional to 15,341.70, 21,170.01 and 8,626.26

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Solution

The fourth proportional to 15,341.70, 21,170.01 and 8,626.26 is: 11,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.70 : 21,170.01 = 8,626.26 : x
  2. Step 2: Convert to fraction form
    15,341.70/21,170.01 = 8,626.26/x
  3. Step 3: Cross multiply
    15,341.70x = 21,170.01 × 8,626.26
  4. Step 4: Simplify right side
    15,341.70x = 182,618,010.46
  5. Step 5: Solve for x
    x = 182,618,010.46/15,341.70
  6. Step 6: Final answer
    x = 11,903.38

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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.