Home / 12,957.53-19,432.31-8,514.96

Finding the Fourth Proportional to 12,957.53, 19,432.31 and 8,514.96

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Solution

The fourth proportional to 12,957.53, 19,432.31 and 8,514.96 is: 12,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.53 : 19,432.31 = 8,514.96 : x
  2. Step 2: Convert to fraction form
    12,957.53/19,432.31 = 8,514.96/x
  3. Step 3: Cross multiply
    12,957.53x = 19,432.31 × 8,514.96
  4. Step 4: Simplify right side
    12,957.53x = 165,465,342.36
  5. Step 5: Solve for x
    x = 165,465,342.36/12,957.53
  6. Step 6: Final answer
    x = 12,769.82

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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.