Home / 15,593.32-21,519.30-8,520.44

Finding the Fourth Proportional to 15,593.32, 21,519.30 and 8,520.44

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Solution

The fourth proportional to 15,593.32, 21,519.30 and 8,520.44 is: 11,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.32 : 21,519.30 = 8,520.44 : x
  2. Step 2: Convert to fraction form
    15,593.32/21,519.30 = 8,520.44/x
  3. Step 3: Cross multiply
    15,593.32x = 21,519.30 × 8,520.44
  4. Step 4: Simplify right side
    15,593.32x = 183,353,904.49
  5. Step 5: Solve for x
    x = 183,353,904.49/15,593.32
  6. Step 6: Final answer
    x = 11,758.49

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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.