Home / 19,387.52-26,755.41-10,891.16

Finding the Fourth Proportional to 19,387.52, 26,755.41 and 10,891.16

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Solution

The fourth proportional to 19,387.52, 26,755.41 and 10,891.16 is: 15,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.52 : 26,755.41 = 10,891.16 : x
  2. Step 2: Convert to fraction form
    19,387.52/26,755.41 = 10,891.16/x
  3. Step 3: Cross multiply
    19,387.52x = 26,755.41 × 10,891.16
  4. Step 4: Simplify right side
    19,387.52x = 291,397,451.18
  5. Step 5: Solve for x
    x = 291,397,451.18/19,387.52
  6. Step 6: Final answer
    x = 15,030.16

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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.