Home / 15,593.28-21,518.64-8,519.52

Finding the Fourth Proportional to 15,593.28, 21,518.64 and 8,519.52

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Solution

The fourth proportional to 15,593.28, 21,518.64 and 8,519.52 is: 11,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.28 : 21,518.64 = 8,519.52 : x
  2. Step 2: Convert to fraction form
    15,593.28/21,518.64 = 8,519.52/x
  3. Step 3: Cross multiply
    15,593.28x = 21,518.64 × 8,519.52
  4. Step 4: Simplify right side
    15,593.28x = 183,328,483.85
  5. Step 5: Solve for x
    x = 183,328,483.85/15,593.28
  6. Step 6: Final answer
    x = 11,756.89

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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.