Home / 19,363.52-26,721.42-10,979.48

Finding the Fourth Proportional to 19,363.52, 26,721.42 and 10,979.48

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Solution

The fourth proportional to 19,363.52, 26,721.42 and 10,979.48 is: 15,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.52 : 26,721.42 = 10,979.48 : x
  2. Step 2: Convert to fraction form
    19,363.52/26,721.42 = 10,979.48/x
  3. Step 3: Cross multiply
    19,363.52x = 26,721.42 × 10,979.48
  4. Step 4: Simplify right side
    19,363.52x = 293,387,296.46
  5. Step 5: Solve for x
    x = 293,387,296.46/19,363.52
  6. Step 6: Final answer
    x = 15,151.55

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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.