Home / 10,560.18-15,840.28-3,165.42

Finding the Fourth Proportional to 10,560.18, 15,840.28 and 3,165.42

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Solution

The fourth proportional to 10,560.18, 15,840.28 and 3,165.42 is: 4,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.18 : 15,840.28 = 3,165.42 : x
  2. Step 2: Convert to fraction form
    10,560.18/15,840.28 = 3,165.42/x
  3. Step 3: Cross multiply
    10,560.18x = 15,840.28 × 3,165.42
  4. Step 4: Simplify right side
    10,560.18x = 50,141,139.12
  5. Step 5: Solve for x
    x = 50,141,139.12/10,560.18
  6. Step 6: Final answer
    x = 4,748.13

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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.