Home / 15,546.48-23,320-8,664.72

Finding the Fourth Proportional to 15,546.48, 23,320 and 8,664.72

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Solution

The fourth proportional to 15,546.48, 23,320 and 8,664.72 is: 12,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.48 : 23,320 = 8,664.72 : x
  2. Step 2: Convert to fraction form
    15,546.48/23,320 = 8,664.72/x
  3. Step 3: Cross multiply
    15,546.48x = 23,320 × 8,664.72
  4. Step 4: Simplify right side
    15,546.48x = 202,061,270.40
  5. Step 5: Solve for x
    x = 202,061,270.40/15,546.48
  6. Step 6: Final answer
    x = 12,997.24

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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.