Home / 20,294.61-28,007.55-12,332.04

Finding the Fourth Proportional to 20,294.61, 28,007.55 and 12,332.04

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Solution

The fourth proportional to 20,294.61, 28,007.55 and 12,332.04 is: 17,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,294.61 : 28,007.55 = 12,332.04 : x
  2. Step 2: Convert to fraction form
    20,294.61/28,007.55 = 12,332.04/x
  3. Step 3: Cross multiply
    20,294.61x = 28,007.55 × 12,332.04
  4. Step 4: Simplify right side
    20,294.61x = 345,390,226.90
  5. Step 5: Solve for x
    x = 345,390,226.90/20,294.61
  6. Step 6: Final answer
    x = 17,018.82

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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.