Home / 10,249.07-15,373.60-7,912.48

Finding the Fourth Proportional to 10,249.07, 15,373.60 and 7,912.48

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Solution

The fourth proportional to 10,249.07, 15,373.60 and 7,912.48 is: 11,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.07 : 15,373.60 = 7,912.48 : x
  2. Step 2: Convert to fraction form
    10,249.07/15,373.60 = 7,912.48/x
  3. Step 3: Cross multiply
    10,249.07x = 15,373.60 × 7,912.48
  4. Step 4: Simplify right side
    10,249.07x = 121,643,302.53
  5. Step 5: Solve for x
    x = 121,643,302.53/10,249.07
  6. Step 6: Final answer
    x = 11,868.72

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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.