Home / 10,163.27-15,312.65-9,177.20

Finding the Fourth Proportional to 10,163.27, 15,312.65 and 9,177.20

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Solution

The fourth proportional to 10,163.27, 15,312.65 and 9,177.20 is: 13,826.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.27 : 15,312.65 = 9,177.20 : x
  2. Step 2: Convert to fraction form
    10,163.27/15,312.65 = 9,177.20/x
  3. Step 3: Cross multiply
    10,163.27x = 15,312.65 × 9,177.20
  4. Step 4: Simplify right side
    10,163.27x = 140,527,186.55
  5. Step 5: Solve for x
    x = 140,527,186.55/10,163.27
  6. Step 6: Final answer
    x = 13,826.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.