Home / 15,885.50-23,811.62-5,351.88

Finding the Fourth Proportional to 15,885.50, 23,811.62 and 5,351.88

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Solution

The fourth proportional to 15,885.50, 23,811.62 and 5,351.88 is: 8,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.50 : 23,811.62 = 5,351.88 : x
  2. Step 2: Convert to fraction form
    15,885.50/23,811.62 = 5,351.88/x
  3. Step 3: Cross multiply
    15,885.50x = 23,811.62 × 5,351.88
  4. Step 4: Simplify right side
    15,885.50x = 127,436,908.29
  5. Step 5: Solve for x
    x = 127,436,908.29/15,885.50
  6. Step 6: Final answer
    x = 8,022.22

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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.