Home / 10,479.38-15,719.54-3,903.93

Finding the Fourth Proportional to 10,479.38, 15,719.54 and 3,903.93

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Solution

The fourth proportional to 10,479.38, 15,719.54 and 3,903.93 is: 5,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.38 : 15,719.54 = 3,903.93 : x
  2. Step 2: Convert to fraction form
    10,479.38/15,719.54 = 3,903.93/x
  3. Step 3: Cross multiply
    10,479.38x = 15,719.54 × 3,903.93
  4. Step 4: Simplify right side
    10,479.38x = 61,367,964.27
  5. Step 5: Solve for x
    x = 61,367,964.27/10,479.38
  6. Step 6: Final answer
    x = 5,856.07

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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.