Home / 17,479.40-26,195.10-11,220.20

Finding the Fourth Proportional to 17,479.40, 26,195.10 and 11,220.20

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Solution

The fourth proportional to 17,479.40, 26,195.10 and 11,220.20 is: 16,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,479.40 : 26,195.10 = 11,220.20 : x
  2. Step 2: Convert to fraction form
    17,479.40/26,195.10 = 11,220.20/x
  3. Step 3: Cross multiply
    17,479.40x = 26,195.10 × 11,220.20
  4. Step 4: Simplify right side
    17,479.40x = 293,914,261.02
  5. Step 5: Solve for x
    x = 293,914,261.02/17,479.40
  6. Step 6: Final answer
    x = 16,814.89

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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.