Home / 12,541.95-18,785.19-5,123.93

Finding the Fourth Proportional to 12,541.95, 18,785.19 and 5,123.93

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Solution

The fourth proportional to 12,541.95, 18,785.19 and 5,123.93 is: 7,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.95 : 18,785.19 = 5,123.93 : x
  2. Step 2: Convert to fraction form
    12,541.95/18,785.19 = 5,123.93/x
  3. Step 3: Cross multiply
    12,541.95x = 18,785.19 × 5,123.93
  4. Step 4: Simplify right side
    12,541.95x = 96,253,904.67
  5. Step 5: Solve for x
    x = 96,253,904.67/12,541.95
  6. Step 6: Final answer
    x = 7,674.56

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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.