Home / 14,588.87-20,132.17-8,215.79

Finding the Fourth Proportional to 14,588.87, 20,132.17 and 8,215.79

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Solution

The fourth proportional to 14,588.87, 20,132.17 and 8,215.79 is: 11,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.87 : 20,132.17 = 8,215.79 : x
  2. Step 2: Convert to fraction form
    14,588.87/20,132.17 = 8,215.79/x
  3. Step 3: Cross multiply
    14,588.87x = 20,132.17 × 8,215.79
  4. Step 4: Simplify right side
    14,588.87x = 165,401,680.96
  5. Step 5: Solve for x
    x = 165,401,680.96/14,588.87
  6. Step 6: Final answer
    x = 11,337.53

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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.