Home / 12,560.28-18,822.58-9,247.38

Finding the Fourth Proportional to 12,560.28, 18,822.58 and 9,247.38

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Solution

The fourth proportional to 12,560.28, 18,822.58 and 9,247.38 is: 13,857.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.28 : 18,822.58 = 9,247.38 : x
  2. Step 2: Convert to fraction form
    12,560.28/18,822.58 = 9,247.38/x
  3. Step 3: Cross multiply
    12,560.28x = 18,822.58 × 9,247.38
  4. Step 4: Simplify right side
    12,560.28x = 174,059,526.72
  5. Step 5: Solve for x
    x = 174,059,526.72/12,560.28
  6. Step 6: Final answer
    x = 13,857.93

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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.