Home / 17,690.40-26,521.20-7,299.36

Finding the Fourth Proportional to 17,690.40, 26,521.20 and 7,299.36

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Solution

The fourth proportional to 17,690.40, 26,521.20 and 7,299.36 is: 10,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.40 : 26,521.20 = 7,299.36 : x
  2. Step 2: Convert to fraction form
    17,690.40/26,521.20 = 7,299.36/x
  3. Step 3: Cross multiply
    17,690.40x = 26,521.20 × 7,299.36
  4. Step 4: Simplify right side
    17,690.40x = 193,587,786.43
  5. Step 5: Solve for x
    x = 193,587,786.43/17,690.40
  6. Step 6: Final answer
    x = 10,943.10

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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.