Home / 18,813.48-25,964.42-10,432.04

Finding the Fourth Proportional to 18,813.48, 25,964.42 and 10,432.04

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Solution

The fourth proportional to 18,813.48, 25,964.42 and 10,432.04 is: 14,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.48 : 25,964.42 = 10,432.04 : x
  2. Step 2: Convert to fraction form
    18,813.48/25,964.42 = 10,432.04/x
  3. Step 3: Cross multiply
    18,813.48x = 25,964.42 × 10,432.04
  4. Step 4: Simplify right side
    18,813.48x = 270,861,868.02
  5. Step 5: Solve for x
    x = 270,861,868.02/18,813.48
  6. Step 6: Final answer
    x = 14,397.22

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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.