Home / 11,070.95-15,279.30-6,355.13

Finding the Fourth Proportional to 11,070.95, 15,279.30 and 6,355.13

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Solution

The fourth proportional to 11,070.95, 15,279.30 and 6,355.13 is: 8,770.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.95 : 15,279.30 = 6,355.13 : x
  2. Step 2: Convert to fraction form
    11,070.95/15,279.30 = 6,355.13/x
  3. Step 3: Cross multiply
    11,070.95x = 15,279.30 × 6,355.13
  4. Step 4: Simplify right side
    11,070.95x = 97,101,861.41
  5. Step 5: Solve for x
    x = 97,101,861.41/11,070.95
  6. Step 6: Final answer
    x = 8,770.87

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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.