Home / 36,521-54,789.66-11,218.64

Finding the Fourth Proportional to 36,521, 54,789.66 and 11,218.64

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Solution

The fourth proportional to 36,521, 54,789.66 and 11,218.64 is: 16,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521 : 54,789.66 = 11,218.64 : x
  2. Step 2: Convert to fraction form
    36,521/54,789.66 = 11,218.64/x
  3. Step 3: Cross multiply
    36,521x = 54,789.66 × 11,218.64
  4. Step 4: Simplify right side
    36,521x = 614,665,471.26
  5. Step 5: Solve for x
    x = 614,665,471.26/36,521
  6. Step 6: Final answer
    x = 16,830.47

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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.