Home / 17,086.90-25,622.66-7,221.10

Finding the Fourth Proportional to 17,086.90, 25,622.66 and 7,221.10

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Solution

The fourth proportional to 17,086.90, 25,622.66 and 7,221.10 is: 10,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.90 : 25,622.66 = 7,221.10 : x
  2. Step 2: Convert to fraction form
    17,086.90/25,622.66 = 7,221.10/x
  3. Step 3: Cross multiply
    17,086.90x = 25,622.66 × 7,221.10
  4. Step 4: Simplify right side
    17,086.90x = 185,023,790.13
  5. Step 5: Solve for x
    x = 185,023,790.13/17,086.90
  6. Step 6: Final answer
    x = 10,828.40

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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.