Home / 18,281.62-27,422.19-4,430.74

Finding the Fourth Proportional to 18,281.62, 27,422.19 and 4,430.74

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Solution

The fourth proportional to 18,281.62, 27,422.19 and 4,430.74 is: 6,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.62 : 27,422.19 = 4,430.74 : x
  2. Step 2: Convert to fraction form
    18,281.62/27,422.19 = 4,430.74/x
  3. Step 3: Cross multiply
    18,281.62x = 27,422.19 × 4,430.74
  4. Step 4: Simplify right side
    18,281.62x = 121,500,594.12
  5. Step 5: Solve for x
    x = 121,500,594.12/18,281.62
  6. Step 6: Final answer
    x = 6,646.05

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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.