Home / 11,098.49-15,319.33-6,385.91

Finding the Fourth Proportional to 11,098.49, 15,319.33 and 6,385.91

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Solution

The fourth proportional to 11,098.49, 15,319.33 and 6,385.91 is: 8,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.49 : 15,319.33 = 6,385.91 : x
  2. Step 2: Convert to fraction form
    11,098.49/15,319.33 = 6,385.91/x
  3. Step 3: Cross multiply
    11,098.49x = 15,319.33 × 6,385.91
  4. Step 4: Simplify right side
    11,098.49x = 97,827,770.08
  5. Step 5: Solve for x
    x = 97,827,770.08/11,098.49
  6. Step 6: Final answer
    x = 8,814.52

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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.