Home / 18,722.13-28,087.14-6,070.90

Finding the Fourth Proportional to 18,722.13, 28,087.14 and 6,070.90

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Solution

The fourth proportional to 18,722.13, 28,087.14 and 6,070.90 is: 9,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.13 : 28,087.14 = 6,070.90 : x
  2. Step 2: Convert to fraction form
    18,722.13/28,087.14 = 6,070.90/x
  3. Step 3: Cross multiply
    18,722.13x = 28,087.14 × 6,070.90
  4. Step 4: Simplify right side
    18,722.13x = 170,514,132.83
  5. Step 5: Solve for x
    x = 170,514,132.83/18,722.13
  6. Step 6: Final answer
    x = 9,107.63

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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.