Home / 10,726.30-16,089.45-7,227.10

Finding the Fourth Proportional to 10,726.30, 16,089.45 and 7,227.10

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Solution

The fourth proportional to 10,726.30, 16,089.45 and 7,227.10 is: 10,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.30 : 16,089.45 = 7,227.10 : x
  2. Step 2: Convert to fraction form
    10,726.30/16,089.45 = 7,227.10/x
  3. Step 3: Cross multiply
    10,726.30x = 16,089.45 × 7,227.10
  4. Step 4: Simplify right side
    10,726.30x = 116,280,064.10
  5. Step 5: Solve for x
    x = 116,280,064.10/10,726.30
  6. Step 6: Final answer
    x = 10,840.65

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Double scale
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Similar ratio
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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.