Home / 19,959.57-27,545.13-11,007.18

Finding the Fourth Proportional to 19,959.57, 27,545.13 and 11,007.18

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Solution

The fourth proportional to 19,959.57, 27,545.13 and 11,007.18 is: 15,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959.57 : 27,545.13 = 11,007.18 : x
  2. Step 2: Convert to fraction form
    19,959.57/27,545.13 = 11,007.18/x
  3. Step 3: Cross multiply
    19,959.57x = 27,545.13 × 11,007.18
  4. Step 4: Simplify right side
    19,959.57x = 303,194,204.03
  5. Step 5: Solve for x
    x = 303,194,204.03/19,959.57
  6. Step 6: Final answer
    x = 15,190.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.