Home / 10,381.74-15,575.49-5,991.18

Finding the Fourth Proportional to 10,381.74, 15,575.49 and 5,991.18

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Solution

The fourth proportional to 10,381.74, 15,575.49 and 5,991.18 is: 8,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.74 : 15,575.49 = 5,991.18 : x
  2. Step 2: Convert to fraction form
    10,381.74/15,575.49 = 5,991.18/x
  3. Step 3: Cross multiply
    10,381.74x = 15,575.49 × 5,991.18
  4. Step 4: Simplify right side
    10,381.74x = 93,315,564.18
  5. Step 5: Solve for x
    x = 93,315,564.18/10,381.74
  6. Step 6: Final answer
    x = 8,988.43

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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.