Home / 17,891.50-26,833.56-10,390.36

Finding the Fourth Proportional to 17,891.50, 26,833.56 and 10,390.36

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Solution

The fourth proportional to 17,891.50, 26,833.56 and 10,390.36 is: 15,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.50 : 26,833.56 = 10,390.36 : x
  2. Step 2: Convert to fraction form
    17,891.50/26,833.56 = 10,390.36/x
  3. Step 3: Cross multiply
    17,891.50x = 26,833.56 × 10,390.36
  4. Step 4: Simplify right side
    17,891.50x = 278,810,348.48
  5. Step 5: Solve for x
    x = 278,810,348.48/17,891.50
  6. Step 6: Final answer
    x = 15,583.40

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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.