Home / 13,148.20-19,710.11-5,248.80

Finding the Fourth Proportional to 13,148.20, 19,710.11 and 5,248.80

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Solution

The fourth proportional to 13,148.20, 19,710.11 and 5,248.80 is: 7,868.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.20 : 19,710.11 = 5,248.80 : x
  2. Step 2: Convert to fraction form
    13,148.20/19,710.11 = 5,248.80/x
  3. Step 3: Cross multiply
    13,148.20x = 19,710.11 × 5,248.80
  4. Step 4: Simplify right side
    13,148.20x = 103,454,423.73
  5. Step 5: Solve for x
    x = 103,454,423.73/13,148.20
  6. Step 6: Final answer
    x = 7,868.33

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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.