Home / 13,052.68-18,008.22-7,386.76

Finding the Fourth Proportional to 13,052.68, 18,008.22 and 7,386.76

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Solution

The fourth proportional to 13,052.68, 18,008.22 and 7,386.76 is: 10,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.68 : 18,008.22 = 7,386.76 : x
  2. Step 2: Convert to fraction form
    13,052.68/18,008.22 = 7,386.76/x
  3. Step 3: Cross multiply
    13,052.68x = 18,008.22 × 7,386.76
  4. Step 4: Simplify right side
    13,052.68x = 133,022,399.17
  5. Step 5: Solve for x
    x = 133,022,399.17/13,052.68
  6. Step 6: Final answer
    x = 10,191.19

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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.