Home / 15,915.56-23,873.36-5,520

Finding the Fourth Proportional to 15,915.56, 23,873.36 and 5,520

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Solution

The fourth proportional to 15,915.56, 23,873.36 and 5,520 is: 8,280.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.56 : 23,873.36 = 5,520 : x
  2. Step 2: Convert to fraction form
    15,915.56/23,873.36 = 5,520/x
  3. Step 3: Cross multiply
    15,915.56x = 23,873.36 × 5,520
  4. Step 4: Simplify right side
    15,915.56x = 131,780,947.20
  5. Step 5: Solve for x
    x = 131,780,947.20/15,915.56
  6. Step 6: Final answer
    x = 8,280.01

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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.