Home / 12,472.18-18,710.52-3,587.08

Finding the Fourth Proportional to 12,472.18, 18,710.52 and 3,587.08

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Solution

The fourth proportional to 12,472.18, 18,710.52 and 3,587.08 is: 5,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.18 : 18,710.52 = 3,587.08 : x
  2. Step 2: Convert to fraction form
    12,472.18/18,710.52 = 3,587.08/x
  3. Step 3: Cross multiply
    12,472.18x = 18,710.52 × 3,587.08
  4. Step 4: Simplify right side
    12,472.18x = 67,116,132.08
  5. Step 5: Solve for x
    x = 67,116,132.08/12,472.18
  6. Step 6: Final answer
    x = 5,381.27

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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.