Home / 10,930.02-15,079.68-6,213.12

Finding the Fourth Proportional to 10,930.02, 15,079.68 and 6,213.12

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Solution

The fourth proportional to 10,930.02, 15,079.68 and 6,213.12 is: 8,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.02 : 15,079.68 = 6,213.12 : x
  2. Step 2: Convert to fraction form
    10,930.02/15,079.68 = 6,213.12/x
  3. Step 3: Cross multiply
    10,930.02x = 15,079.68 × 6,213.12
  4. Step 4: Simplify right side
    10,930.02x = 93,691,861.40
  5. Step 5: Solve for x
    x = 93,691,861.40/10,930.02
  6. Step 6: Final answer
    x = 8,571.98

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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.