Home / 9,029.48-13,523.15-8,780.30

Finding the Fourth Proportional to 9,029.48, 13,523.15 and 8,780.30

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Solution

The fourth proportional to 9,029.48, 13,523.15 and 8,780.30 is: 13,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.48 : 13,523.15 = 8,780.30 : x
  2. Step 2: Convert to fraction form
    9,029.48/13,523.15 = 8,780.30/x
  3. Step 3: Cross multiply
    9,029.48x = 13,523.15 × 8,780.30
  4. Step 4: Simplify right side
    9,029.48x = 118,737,318.99
  5. Step 5: Solve for x
    x = 118,737,318.99/9,029.48
  6. Step 6: Final answer
    x = 13,149.97

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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.