Home / 17,398.40-26,091.20-9,071.68

Finding the Fourth Proportional to 17,398.40, 26,091.20 and 9,071.68

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Solution

The fourth proportional to 17,398.40, 26,091.20 and 9,071.68 is: 13,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.40 : 26,091.20 = 9,071.68 : x
  2. Step 2: Convert to fraction form
    17,398.40/26,091.20 = 9,071.68/x
  3. Step 3: Cross multiply
    17,398.40x = 26,091.20 × 9,071.68
  4. Step 4: Simplify right side
    17,398.40x = 236,691,017.22
  5. Step 5: Solve for x
    x = 236,691,017.22/17,398.40
  6. Step 6: Final answer
    x = 13,604.18

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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.