Home / 10,133.80-15,221.82-6,240.04

Finding the Fourth Proportional to 10,133.80, 15,221.82 and 6,240.04

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Solution

The fourth proportional to 10,133.80, 15,221.82 and 6,240.04 is: 9,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.80 : 15,221.82 = 6,240.04 : x
  2. Step 2: Convert to fraction form
    10,133.80/15,221.82 = 6,240.04/x
  3. Step 3: Cross multiply
    10,133.80x = 15,221.82 × 6,240.04
  4. Step 4: Simplify right side
    10,133.80x = 94,984,765.67
  5. Step 5: Solve for x
    x = 94,984,765.67/10,133.80
  6. Step 6: Final answer
    x = 9,373.06

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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.