Home / 18,217.04-27,329.20-5,740.20

Finding the Fourth Proportional to 18,217.04, 27,329.20 and 5,740.20

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Solution

The fourth proportional to 18,217.04, 27,329.20 and 5,740.20 is: 8,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.04 : 27,329.20 = 5,740.20 : x
  2. Step 2: Convert to fraction form
    18,217.04/27,329.20 = 5,740.20/x
  3. Step 3: Cross multiply
    18,217.04x = 27,329.20 × 5,740.20
  4. Step 4: Simplify right side
    18,217.04x = 156,875,073.84
  5. Step 5: Solve for x
    x = 156,875,073.84/18,217.04
  6. Step 6: Final answer
    x = 8,611.45

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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.