Home / 13,648.39-20,463.50-5,329.17

Finding the Fourth Proportional to 13,648.39, 20,463.50 and 5,329.17

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Solution

The fourth proportional to 13,648.39, 20,463.50 and 5,329.17 is: 7,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.39 : 20,463.50 = 5,329.17 : x
  2. Step 2: Convert to fraction form
    13,648.39/20,463.50 = 5,329.17/x
  3. Step 3: Cross multiply
    13,648.39x = 20,463.50 × 5,329.17
  4. Step 4: Simplify right side
    13,648.39x = 109,053,483.62
  5. Step 5: Solve for x
    x = 109,053,483.62/13,648.39
  6. Step 6: Final answer
    x = 7,990.21

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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.