Home / 15,983.35-23,981.93-8,579.16

Finding the Fourth Proportional to 15,983.35, 23,981.93 and 8,579.16

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Solution

The fourth proportional to 15,983.35, 23,981.93 and 8,579.16 is: 12,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.35 : 23,981.93 = 8,579.16 : x
  2. Step 2: Convert to fraction form
    15,983.35/23,981.93 = 8,579.16/x
  3. Step 3: Cross multiply
    15,983.35x = 23,981.93 × 8,579.16
  4. Step 4: Simplify right side
    15,983.35x = 205,744,836.03
  5. Step 5: Solve for x
    x = 205,744,836.03/15,983.35
  6. Step 6: Final answer
    x = 12,872.45

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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.