Home / 9,169.20-13,753.08-6,989.76

Finding the Fourth Proportional to 9,169.20, 13,753.08 and 6,989.76

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Solution

The fourth proportional to 9,169.20, 13,753.08 and 6,989.76 is: 10,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.20 : 13,753.08 = 6,989.76 : x
  2. Step 2: Convert to fraction form
    9,169.20/13,753.08 = 6,989.76/x
  3. Step 3: Cross multiply
    9,169.20x = 13,753.08 × 6,989.76
  4. Step 4: Simplify right side
    9,169.20x = 96,130,728.46
  5. Step 5: Solve for x
    x = 96,130,728.46/9,169.20
  6. Step 6: Final answer
    x = 10,484.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.