Home / 14,613.87-20,165.93-8,153.12

Finding the Fourth Proportional to 14,613.87, 20,165.93 and 8,153.12

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Solution

The fourth proportional to 14,613.87, 20,165.93 and 8,153.12 is: 11,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.87 : 20,165.93 = 8,153.12 : x
  2. Step 2: Convert to fraction form
    14,613.87/20,165.93 = 8,153.12/x
  3. Step 3: Cross multiply
    14,613.87x = 20,165.93 × 8,153.12
  4. Step 4: Simplify right side
    14,613.87x = 164,415,105.61
  5. Step 5: Solve for x
    x = 164,415,105.61/14,613.87
  6. Step 6: Final answer
    x = 11,250.62

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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.