Home / 15,650.64-21,596.76-8,575.92

Finding the Fourth Proportional to 15,650.64, 21,596.76 and 8,575.92

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Solution

The fourth proportional to 15,650.64, 21,596.76 and 8,575.92 is: 11,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,650.64 : 21,596.76 = 8,575.92 : x
  2. Step 2: Convert to fraction form
    15,650.64/21,596.76 = 8,575.92/x
  3. Step 3: Cross multiply
    15,650.64x = 21,596.76 × 8,575.92
  4. Step 4: Simplify right side
    15,650.64x = 185,212,086.02
  5. Step 5: Solve for x
    x = 185,212,086.02/15,650.64
  6. Step 6: Final answer
    x = 11,834.15

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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.