Home / 17,499.40-26,239.46-11,959

Finding the Fourth Proportional to 17,499.40, 26,239.46 and 11,959

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Solution

The fourth proportional to 17,499.40, 26,239.46 and 11,959 is: 17,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,499.40 : 26,239.46 = 11,959 : x
  2. Step 2: Convert to fraction form
    17,499.40/26,239.46 = 11,959/x
  3. Step 3: Cross multiply
    17,499.40x = 26,239.46 × 11,959
  4. Step 4: Simplify right side
    17,499.40x = 313,797,702.14
  5. Step 5: Solve for x
    x = 313,797,702.14/17,499.40
  6. Step 6: Final answer
    x = 17,931.91

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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.