Home / 22,284.30-30,751.17-12,210.90

Finding the Fourth Proportional to 22,284.30, 30,751.17 and 12,210.90

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Solution

The fourth proportional to 22,284.30, 30,751.17 and 12,210.90 is: 16,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.30 : 30,751.17 = 12,210.90 : x
  2. Step 2: Convert to fraction form
    22,284.30/30,751.17 = 12,210.90/x
  3. Step 3: Cross multiply
    22,284.30x = 30,751.17 × 12,210.90
  4. Step 4: Simplify right side
    22,284.30x = 375,499,461.75
  5. Step 5: Solve for x
    x = 375,499,461.75/22,284.30
  6. Step 6: Final answer
    x = 16,850.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.