Home / 9,164.30-13,721.49-6,385.10

Finding the Fourth Proportional to 9,164.30, 13,721.49 and 6,385.10

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Solution

The fourth proportional to 9,164.30, 13,721.49 and 6,385.10 is: 9,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.30 : 13,721.49 = 6,385.10 : x
  2. Step 2: Convert to fraction form
    9,164.30/13,721.49 = 6,385.10/x
  3. Step 3: Cross multiply
    9,164.30x = 13,721.49 × 6,385.10
  4. Step 4: Simplify right side
    9,164.30x = 87,613,085.80
  5. Step 5: Solve for x
    x = 87,613,085.80/9,164.30
  6. Step 6: Final answer
    x = 9,560.26

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1.5x scale

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.