Home / 11,038.30-16,557.45-10,131.10

Finding the Fourth Proportional to 11,038.30, 16,557.45 and 10,131.10

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Solution

The fourth proportional to 11,038.30, 16,557.45 and 10,131.10 is: 15,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.30 : 16,557.45 = 10,131.10 : x
  2. Step 2: Convert to fraction form
    11,038.30/16,557.45 = 10,131.10/x
  3. Step 3: Cross multiply
    11,038.30x = 16,557.45 × 10,131.10
  4. Step 4: Simplify right side
    11,038.30x = 167,745,181.70
  5. Step 5: Solve for x
    x = 167,745,181.70/11,038.30
  6. Step 6: Final answer
    x = 15,196.65

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Half scale
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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.