Home / 15,987.74-23,983.79-5,454.93

Finding the Fourth Proportional to 15,987.74, 23,983.79 and 5,454.93

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Solution

The fourth proportional to 15,987.74, 23,983.79 and 5,454.93 is: 8,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.74 : 23,983.79 = 5,454.93 : x
  2. Step 2: Convert to fraction form
    15,987.74/23,983.79 = 5,454.93/x
  3. Step 3: Cross multiply
    15,987.74x = 23,983.79 × 5,454.93
  4. Step 4: Simplify right side
    15,987.74x = 130,829,895.58
  5. Step 5: Solve for x
    x = 130,829,895.58/15,987.74
  6. Step 6: Final answer
    x = 8,183.14

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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.