Home / 22,760.76-34,097.40-12,870.66

Finding the Fourth Proportional to 22,760.76, 34,097.40 and 12,870.66

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Solution

The fourth proportional to 22,760.76, 34,097.40 and 12,870.66 is: 19,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,760.76 : 34,097.40 = 12,870.66 : x
  2. Step 2: Convert to fraction form
    22,760.76/34,097.40 = 12,870.66/x
  3. Step 3: Cross multiply
    22,760.76x = 34,097.40 × 12,870.66
  4. Step 4: Simplify right side
    22,760.76x = 438,856,042.28
  5. Step 5: Solve for x
    x = 438,856,042.28/22,760.76
  6. Step 6: Final answer
    x = 19,281.26

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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.