Home / 18,070.74-27,099.36-6,221.16

Finding the Fourth Proportional to 18,070.74, 27,099.36 and 6,221.16

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Solution

The fourth proportional to 18,070.74, 27,099.36 and 6,221.16 is: 9,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.74 : 27,099.36 = 6,221.16 : x
  2. Step 2: Convert to fraction form
    18,070.74/27,099.36 = 6,221.16/x
  3. Step 3: Cross multiply
    18,070.74x = 27,099.36 × 6,221.16
  4. Step 4: Simplify right side
    18,070.74x = 168,589,454.46
  5. Step 5: Solve for x
    x = 168,589,454.46/18,070.74
  6. Step 6: Final answer
    x = 9,329.42

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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.