Home / 10,062.40-15,103.20-8,603.20

Finding the Fourth Proportional to 10,062.40, 15,103.20 and 8,603.20

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Solution

The fourth proportional to 10,062.40, 15,103.20 and 8,603.20 is: 12,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,062.40 : 15,103.20 = 8,603.20 : x
  2. Step 2: Convert to fraction form
    10,062.40/15,103.20 = 8,603.20/x
  3. Step 3: Cross multiply
    10,062.40x = 15,103.20 × 8,603.20
  4. Step 4: Simplify right side
    10,062.40x = 129,935,850.24
  5. Step 5: Solve for x
    x = 129,935,850.24/10,062.40
  6. Step 6: Final answer
    x = 12,913.01

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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.