Home / 17,205.12-25,742.45-10,188.90

Finding the Fourth Proportional to 17,205.12, 25,742.45 and 10,188.90

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Solution

The fourth proportional to 17,205.12, 25,742.45 and 10,188.90 is: 15,244.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.12 : 25,742.45 = 10,188.90 : x
  2. Step 2: Convert to fraction form
    17,205.12/25,742.45 = 10,188.90/x
  3. Step 3: Cross multiply
    17,205.12x = 25,742.45 × 10,188.90
  4. Step 4: Simplify right side
    17,205.12x = 262,287,197.86
  5. Step 5: Solve for x
    x = 262,287,197.86/17,205.12
  6. Step 6: Final answer
    x = 15,244.72

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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.