Home / 18,350.43-25,324.10-9,966.93

Finding the Fourth Proportional to 18,350.43, 25,324.10 and 9,966.93

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Solution

The fourth proportional to 18,350.43, 25,324.10 and 9,966.93 is: 13,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.43 : 25,324.10 = 9,966.93 : x
  2. Step 2: Convert to fraction form
    18,350.43/25,324.10 = 9,966.93/x
  3. Step 3: Cross multiply
    18,350.43x = 25,324.10 × 9,966.93
  4. Step 4: Simplify right side
    18,350.43x = 252,403,482.18
  5. Step 5: Solve for x
    x = 252,403,482.18/18,350.43
  6. Step 6: Final answer
    x = 13,754.64

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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.