Home / 17,146.12-25,721.76-5,298.92

Finding the Fourth Proportional to 17,146.12, 25,721.76 and 5,298.92

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Solution

The fourth proportional to 17,146.12, 25,721.76 and 5,298.92 is: 7,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146.12 : 25,721.76 = 5,298.92 : x
  2. Step 2: Convert to fraction form
    17,146.12/25,721.76 = 5,298.92/x
  3. Step 3: Cross multiply
    17,146.12x = 25,721.76 × 5,298.92
  4. Step 4: Simplify right side
    17,146.12x = 136,297,548.50
  5. Step 5: Solve for x
    x = 136,297,548.50/17,146.12
  6. Step 6: Final answer
    x = 7,949.18

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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.