Home / 17,385.40-26,086.20-9,074.80

Finding the Fourth Proportional to 17,385.40, 26,086.20 and 9,074.80

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Solution

The fourth proportional to 17,385.40, 26,086.20 and 9,074.80 is: 13,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.40 : 26,086.20 = 9,074.80 : x
  2. Step 2: Convert to fraction form
    17,385.40/26,086.20 = 9,074.80/x
  3. Step 3: Cross multiply
    17,385.40x = 26,086.20 × 9,074.80
  4. Step 4: Simplify right side
    17,385.40x = 236,727,047.76
  5. Step 5: Solve for x
    x = 236,727,047.76/17,385.40
  6. Step 6: Final answer
    x = 13,616.43

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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.