Home / 15,772.42-23,657.70-5,910.87

Finding the Fourth Proportional to 15,772.42, 23,657.70 and 5,910.87

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Solution

The fourth proportional to 15,772.42, 23,657.70 and 5,910.87 is: 8,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,772.42 : 23,657.70 = 5,910.87 : x
  2. Step 2: Convert to fraction form
    15,772.42/23,657.70 = 5,910.87/x
  3. Step 3: Cross multiply
    15,772.42x = 23,657.70 × 5,910.87
  4. Step 4: Simplify right side
    15,772.42x = 139,837,700.08
  5. Step 5: Solve for x
    x = 139,837,700.08/15,772.42
  6. Step 6: Final answer
    x = 8,865.96

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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.