Home / 10,645.91-14,691.35-6,172.26

Finding the Fourth Proportional to 10,645.91, 14,691.35 and 6,172.26

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Solution

The fourth proportional to 10,645.91, 14,691.35 and 6,172.26 is: 8,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.91 : 14,691.35 = 6,172.26 : x
  2. Step 2: Convert to fraction form
    10,645.91/14,691.35 = 6,172.26/x
  3. Step 3: Cross multiply
    10,645.91x = 14,691.35 × 6,172.26
  4. Step 4: Simplify right side
    10,645.91x = 90,678,801.09
  5. Step 5: Solve for x
    x = 90,678,801.09/10,645.91
  6. Step 6: Final answer
    x = 8,517.72

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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.