Home / 12,614.40-18,924.48-4,294.56

Finding the Fourth Proportional to 12,614.40, 18,924.48 and 4,294.56

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Solution

The fourth proportional to 12,614.40, 18,924.48 and 4,294.56 is: 6,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.40 : 18,924.48 = 4,294.56 : x
  2. Step 2: Convert to fraction form
    12,614.40/18,924.48 = 4,294.56/x
  3. Step 3: Cross multiply
    12,614.40x = 18,924.48 × 4,294.56
  4. Step 4: Simplify right side
    12,614.40x = 81,272,314.83
  5. Step 5: Solve for x
    x = 81,272,314.83/12,614.40
  6. Step 6: Final answer
    x = 6,442.82

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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.