Home / 22,148.79-30,567.92-12,590.11

Finding the Fourth Proportional to 22,148.79, 30,567.92 and 12,590.11

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Solution

The fourth proportional to 22,148.79, 30,567.92 and 12,590.11 is: 17,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.79 : 30,567.92 = 12,590.11 : x
  2. Step 2: Convert to fraction form
    22,148.79/30,567.92 = 12,590.11/x
  3. Step 3: Cross multiply
    22,148.79x = 30,567.92 × 12,590.11
  4. Step 4: Simplify right side
    22,148.79x = 384,853,417.67
  5. Step 5: Solve for x
    x = 384,853,417.67/22,148.79
  6. Step 6: Final answer
    x = 17,375.82

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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.