Home / 11,146.20-16,719.30-10,301.40

Finding the Fourth Proportional to 11,146.20, 16,719.30 and 10,301.40

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Solution

The fourth proportional to 11,146.20, 16,719.30 and 10,301.40 is: 15,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.20 : 16,719.30 = 10,301.40 : x
  2. Step 2: Convert to fraction form
    11,146.20/16,719.30 = 10,301.40/x
  3. Step 3: Cross multiply
    11,146.20x = 16,719.30 × 10,301.40
  4. Step 4: Simplify right side
    11,146.20x = 172,232,197.02
  5. Step 5: Solve for x
    x = 172,232,197.02/11,146.20
  6. Step 6: Final answer
    x = 15,452.10

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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.