Home / 13,251.18-19,864.41-4,479.96

Finding the Fourth Proportional to 13,251.18, 19,864.41 and 4,479.96

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Solution

The fourth proportional to 13,251.18, 19,864.41 and 4,479.96 is: 6,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.18 : 19,864.41 = 4,479.96 : x
  2. Step 2: Convert to fraction form
    13,251.18/19,864.41 = 4,479.96/x
  3. Step 3: Cross multiply
    13,251.18x = 19,864.41 × 4,479.96
  4. Step 4: Simplify right side
    13,251.18x = 88,991,762.22
  5. Step 5: Solve for x
    x = 88,991,762.22/13,251.18
  6. Step 6: Final answer
    x = 6,715.76

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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.