Home / 13,068.55-19,641.70-6,147.91

Finding the Fourth Proportional to 13,068.55, 19,641.70 and 6,147.91

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Solution

The fourth proportional to 13,068.55, 19,641.70 and 6,147.91 is: 9,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.55 : 19,641.70 = 6,147.91 : x
  2. Step 2: Convert to fraction form
    13,068.55/19,641.70 = 6,147.91/x
  3. Step 3: Cross multiply
    13,068.55x = 19,641.70 × 6,147.91
  4. Step 4: Simplify right side
    13,068.55x = 120,755,305.64
  5. Step 5: Solve for x
    x = 120,755,305.64/13,068.55
  6. Step 6: Final answer
    x = 9,240.15

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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.