Home / 19,272.18-28,888.14-9,397.86

Finding the Fourth Proportional to 19,272.18, 28,888.14 and 9,397.86

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Solution

The fourth proportional to 19,272.18, 28,888.14 and 9,397.86 is: 14,086.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.18 : 28,888.14 = 9,397.86 : x
  2. Step 2: Convert to fraction form
    19,272.18/28,888.14 = 9,397.86/x
  3. Step 3: Cross multiply
    19,272.18x = 28,888.14 × 9,397.86
  4. Step 4: Simplify right side
    19,272.18x = 271,486,695.38
  5. Step 5: Solve for x
    x = 271,486,695.38/19,272.18
  6. Step 6: Final answer
    x = 14,086.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.