Home / 18,820.62-25,972.47-10,437.18

Finding the Fourth Proportional to 18,820.62, 25,972.47 and 10,437.18

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Solution

The fourth proportional to 18,820.62, 25,972.47 and 10,437.18 is: 14,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,820.62 : 25,972.47 = 10,437.18 : x
  2. Step 2: Convert to fraction form
    18,820.62/25,972.47 = 10,437.18/x
  3. Step 3: Cross multiply
    18,820.62x = 25,972.47 × 10,437.18
  4. Step 4: Simplify right side
    18,820.62x = 271,079,344.43
  5. Step 5: Solve for x
    x = 271,079,344.43/18,820.62
  6. Step 6: Final answer
    x = 14,403.32

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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.