Home / 36,378.70-54,576.27-11,418.66

Finding the Fourth Proportional to 36,378.70, 54,576.27 and 11,418.66

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Solution

The fourth proportional to 36,378.70, 54,576.27 and 11,418.66 is: 17,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378.70 : 54,576.27 = 11,418.66 : x
  2. Step 2: Convert to fraction form
    36,378.70/54,576.27 = 11,418.66/x
  3. Step 3: Cross multiply
    36,378.70x = 54,576.27 × 11,418.66
  4. Step 4: Simplify right side
    36,378.70x = 623,187,871.20
  5. Step 5: Solve for x
    x = 623,187,871.20/36,378.70
  6. Step 6: Final answer
    x = 17,130.57

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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.