Home / 11,393.49-15,723.17-6,614.55

Finding the Fourth Proportional to 11,393.49, 15,723.17 and 6,614.55

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Solution

The fourth proportional to 11,393.49, 15,723.17 and 6,614.55 is: 9,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.49 : 15,723.17 = 6,614.55 : x
  2. Step 2: Convert to fraction form
    11,393.49/15,723.17 = 6,614.55/x
  3. Step 3: Cross multiply
    11,393.49x = 15,723.17 × 6,614.55
  4. Step 4: Simplify right side
    11,393.49x = 104,001,661.05
  5. Step 5: Solve for x
    x = 104,001,661.05/11,393.49
  6. Step 6: Final answer
    x = 9,128.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.