Home / 17,711.66-26,358.40-17,121.08

Finding the Fourth Proportional to 17,711.66, 26,358.40 and 17,121.08

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Solution

The fourth proportional to 17,711.66, 26,358.40 and 17,121.08 is: 25,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.66 : 26,358.40 = 17,121.08 : x
  2. Step 2: Convert to fraction form
    17,711.66/26,358.40 = 17,121.08/x
  3. Step 3: Cross multiply
    17,711.66x = 26,358.40 × 17,121.08
  4. Step 4: Simplify right side
    17,711.66x = 451,284,275.07
  5. Step 5: Solve for x
    x = 451,284,275.07/17,711.66
  6. Step 6: Final answer
    x = 25,479.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.