Home / 15,863.76-23,806.56-5,475.52

Finding the Fourth Proportional to 15,863.76, 23,806.56 and 5,475.52

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Solution

The fourth proportional to 15,863.76, 23,806.56 and 5,475.52 is: 8,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.76 : 23,806.56 = 5,475.52 : x
  2. Step 2: Convert to fraction form
    15,863.76/23,806.56 = 5,475.52/x
  3. Step 3: Cross multiply
    15,863.76x = 23,806.56 × 5,475.52
  4. Step 4: Simplify right side
    15,863.76x = 130,353,295.41
  5. Step 5: Solve for x
    x = 130,353,295.41/15,863.76
  6. Step 6: Final answer
    x = 8,217.05

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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.