Home / 22,488.90-31,034.73-12,417.36

Finding the Fourth Proportional to 22,488.90, 31,034.73 and 12,417.36

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Solution

The fourth proportional to 22,488.90, 31,034.73 and 12,417.36 is: 17,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.90 : 31,034.73 = 12,417.36 : x
  2. Step 2: Convert to fraction form
    22,488.90/31,034.73 = 12,417.36/x
  3. Step 3: Cross multiply
    22,488.90x = 31,034.73 × 12,417.36
  4. Step 4: Simplify right side
    22,488.90x = 385,369,414.91
  5. Step 5: Solve for x
    x = 385,369,414.91/22,488.90
  6. Step 6: Final answer
    x = 17,135.98

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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.