Home / 15,553.22-21,449.00-10,238.81

Finding the Fourth Proportional to 15,553.22, 21,449.00 and 10,238.81

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Solution

The fourth proportional to 15,553.22, 21,449.00 and 10,238.81 is: 14,120.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.22 : 21,449.00 = 10,238.81 : x
  2. Step 2: Convert to fraction form
    15,553.22/21,449.00 = 10,238.81/x
  3. Step 3: Cross multiply
    15,553.22x = 21,449.00 × 10,238.81
  4. Step 4: Simplify right side
    15,553.22x = 219,612,154.04
  5. Step 5: Solve for x
    x = 219,612,154.04/15,553.22
  6. Step 6: Final answer
    x = 14,120.05

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Half scale
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Double scale
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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.