Home / 13,470.80-20,197.50-5,677.52

Finding the Fourth Proportional to 13,470.80, 20,197.50 and 5,677.52

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Solution

The fourth proportional to 13,470.80, 20,197.50 and 5,677.52 is: 8,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.80 : 20,197.50 = 5,677.52 : x
  2. Step 2: Convert to fraction form
    13,470.80/20,197.50 = 5,677.52/x
  3. Step 3: Cross multiply
    13,470.80x = 20,197.50 × 5,677.52
  4. Step 4: Simplify right side
    13,470.80x = 114,671,710.20
  5. Step 5: Solve for x
    x = 114,671,710.20/13,470.80
  6. Step 6: Final answer
    x = 8,512.61

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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.