Home / 12,754.62-19,127.34-4,432.50

Finding the Fourth Proportional to 12,754.62, 19,127.34 and 4,432.50

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Solution

The fourth proportional to 12,754.62, 19,127.34 and 4,432.50 is: 6,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.62 : 19,127.34 = 4,432.50 : x
  2. Step 2: Convert to fraction form
    12,754.62/19,127.34 = 4,432.50/x
  3. Step 3: Cross multiply
    12,754.62x = 19,127.34 × 4,432.50
  4. Step 4: Simplify right side
    12,754.62x = 84,781,934.55
  5. Step 5: Solve for x
    x = 84,781,934.55/12,754.62
  6. Step 6: Final answer
    x = 6,647.15

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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.