Home / 10,546.12-15,811.38-6,385.22

Finding the Fourth Proportional to 10,546.12, 15,811.38 and 6,385.22

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Solution

The fourth proportional to 10,546.12, 15,811.38 and 6,385.22 is: 9,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.12 : 15,811.38 = 6,385.22 : x
  2. Step 2: Convert to fraction form
    10,546.12/15,811.38 = 6,385.22/x
  3. Step 3: Cross multiply
    10,546.12x = 15,811.38 × 6,385.22
  4. Step 4: Simplify right side
    10,546.12x = 100,959,139.80
  5. Step 5: Solve for x
    x = 100,959,139.80/10,546.12
  6. Step 6: Final answer
    x = 9,573.11

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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.