Home / 13,514.31-20,271.47-6,118.61

Finding the Fourth Proportional to 13,514.31, 20,271.47 and 6,118.61

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Solution

The fourth proportional to 13,514.31, 20,271.47 and 6,118.61 is: 9,177.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.31 : 20,271.47 = 6,118.61 : x
  2. Step 2: Convert to fraction form
    13,514.31/20,271.47 = 6,118.61/x
  3. Step 3: Cross multiply
    13,514.31x = 20,271.47 × 6,118.61
  4. Step 4: Simplify right side
    13,514.31x = 124,033,087.11
  5. Step 5: Solve for x
    x = 124,033,087.11/13,514.31
  6. Step 6: Final answer
    x = 9,177.91

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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.