Home / 10,964.50-15,130.61-6,247.87

Finding the Fourth Proportional to 10,964.50, 15,130.61 and 6,247.87

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Solution

The fourth proportional to 10,964.50, 15,130.61 and 6,247.87 is: 8,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.50 : 15,130.61 = 6,247.87 : x
  2. Step 2: Convert to fraction form
    10,964.50/15,130.61 = 6,247.87/x
  3. Step 3: Cross multiply
    10,964.50x = 15,130.61 × 6,247.87
  4. Step 4: Simplify right side
    10,964.50x = 94,534,084.30
  5. Step 5: Solve for x
    x = 94,534,084.30/10,964.50
  6. Step 6: Final answer
    x = 8,621.83

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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.