Home / 11,539.90-15,925.05-6,234.71

Finding the Fourth Proportional to 11,539.90, 15,925.05 and 6,234.71

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Solution

The fourth proportional to 11,539.90, 15,925.05 and 6,234.71 is: 8,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.90 : 15,925.05 = 6,234.71 : x
  2. Step 2: Convert to fraction form
    11,539.90/15,925.05 = 6,234.71/x
  3. Step 3: Cross multiply
    11,539.90x = 15,925.05 × 6,234.71
  4. Step 4: Simplify right side
    11,539.90x = 99,288,108.30
  5. Step 5: Solve for x
    x = 99,288,108.30/11,539.90
  6. Step 6: Final answer
    x = 8,603.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.