Home / 15,148.38-22,695.69-12,934.74

Finding the Fourth Proportional to 15,148.38, 22,695.69 and 12,934.74

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Solution

The fourth proportional to 15,148.38, 22,695.69 and 12,934.74 is: 19,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.38 : 22,695.69 = 12,934.74 : x
  2. Step 2: Convert to fraction form
    15,148.38/22,695.69 = 12,934.74/x
  3. Step 3: Cross multiply
    15,148.38x = 22,695.69 × 12,934.74
  4. Step 4: Simplify right side
    15,148.38x = 293,562,849.27
  5. Step 5: Solve for x
    x = 293,562,849.27/15,148.38
  6. Step 6: Final answer
    x = 19,379.16

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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.