Home / 18,372.04-27,557.16-5,721.76

Finding the Fourth Proportional to 18,372.04, 27,557.16 and 5,721.76

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Solution

The fourth proportional to 18,372.04, 27,557.16 and 5,721.76 is: 8,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.04 : 27,557.16 = 5,721.76 : x
  2. Step 2: Convert to fraction form
    18,372.04/27,557.16 = 5,721.76/x
  3. Step 3: Cross multiply
    18,372.04x = 27,557.16 × 5,721.76
  4. Step 4: Simplify right side
    18,372.04x = 157,675,455.80
  5. Step 5: Solve for x
    x = 157,675,455.80/18,372.04
  6. Step 6: Final answer
    x = 8,582.36

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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.