Home / 14,753.67-20,359.28-8,380.10

Finding the Fourth Proportional to 14,753.67, 20,359.28 and 8,380.10

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Solution

The fourth proportional to 14,753.67, 20,359.28 and 8,380.10 is: 11,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.67 : 20,359.28 = 8,380.10 : x
  2. Step 2: Convert to fraction form
    14,753.67/20,359.28 = 8,380.10/x
  3. Step 3: Cross multiply
    14,753.67x = 20,359.28 × 8,380.10
  4. Step 4: Simplify right side
    14,753.67x = 170,612,658.63
  5. Step 5: Solve for x
    x = 170,612,658.63/14,753.67
  6. Step 6: Final answer
    x = 11,564.08

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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.