Home / 10,243.89-15,373.13-7,906.23

Finding the Fourth Proportional to 10,243.89, 15,373.13 and 7,906.23

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Solution

The fourth proportional to 10,243.89, 15,373.13 and 7,906.23 is: 11,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.89 : 15,373.13 = 7,906.23 : x
  2. Step 2: Convert to fraction form
    10,243.89/15,373.13 = 7,906.23/x
  3. Step 3: Cross multiply
    10,243.89x = 15,373.13 × 7,906.23
  4. Step 4: Simplify right side
    10,243.89x = 121,543,462.07
  5. Step 5: Solve for x
    x = 121,543,462.07/10,243.89
  6. Step 6: Final answer
    x = 11,864.97

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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.