Home / 15,649.62-21,596.50-8,575.90

Finding the Fourth Proportional to 15,649.62, 21,596.50 and 8,575.90

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Solution

The fourth proportional to 15,649.62, 21,596.50 and 8,575.90 is: 11,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.62 : 21,596.50 = 8,575.90 : x
  2. Step 2: Convert to fraction form
    15,649.62/21,596.50 = 8,575.90/x
  3. Step 3: Cross multiply
    15,649.62x = 21,596.50 × 8,575.90
  4. Step 4: Simplify right side
    15,649.62x = 185,209,424.35
  5. Step 5: Solve for x
    x = 185,209,424.35/15,649.62
  6. Step 6: Final answer
    x = 11,834.76

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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.