Home / 15,877.45-23,839.62-8,871.22

Finding the Fourth Proportional to 15,877.45, 23,839.62 and 8,871.22

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Solution

The fourth proportional to 15,877.45, 23,839.62 and 8,871.22 is: 13,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.45 : 23,839.62 = 8,871.22 : x
  2. Step 2: Convert to fraction form
    15,877.45/23,839.62 = 8,871.22/x
  3. Step 3: Cross multiply
    15,877.45x = 23,839.62 × 8,871.22
  4. Step 4: Simplify right side
    15,877.45x = 211,486,510.27
  5. Step 5: Solve for x
    x = 211,486,510.27/15,877.45
  6. Step 6: Final answer
    x = 13,319.93

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1.5x scale

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.