Home / 18,098.28-24,976.65-10,143.07

Finding the Fourth Proportional to 18,098.28, 24,976.65 and 10,143.07

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Solution

The fourth proportional to 18,098.28, 24,976.65 and 10,143.07 is: 13,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.28 : 24,976.65 = 10,143.07 : x
  2. Step 2: Convert to fraction form
    18,098.28/24,976.65 = 10,143.07/x
  3. Step 3: Cross multiply
    18,098.28x = 24,976.65 × 10,143.07
  4. Step 4: Simplify right side
    18,098.28x = 253,339,909.32
  5. Step 5: Solve for x
    x = 253,339,909.32/18,098.28
  6. Step 6: Final answer
    x = 13,998.01

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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.