Home / 17,389.80-26,046.30-6,996.20

Finding the Fourth Proportional to 17,389.80, 26,046.30 and 6,996.20

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Solution

The fourth proportional to 17,389.80, 26,046.30 and 6,996.20 is: 10,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.80 : 26,046.30 = 6,996.20 : x
  2. Step 2: Convert to fraction form
    17,389.80/26,046.30 = 6,996.20/x
  3. Step 3: Cross multiply
    17,389.80x = 26,046.30 × 6,996.20
  4. Step 4: Simplify right side
    17,389.80x = 182,225,124.06
  5. Step 5: Solve for x
    x = 182,225,124.06/17,389.80
  6. Step 6: Final answer
    x = 10,478.85

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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.