Home / 18,891.47-26,071.10-10,932.14

Finding the Fourth Proportional to 18,891.47, 26,071.10 and 10,932.14

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Solution

The fourth proportional to 18,891.47, 26,071.10 and 10,932.14 is: 15,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.47 : 26,071.10 = 10,932.14 : x
  2. Step 2: Convert to fraction form
    18,891.47/26,071.10 = 10,932.14/x
  3. Step 3: Cross multiply
    18,891.47x = 26,071.10 × 10,932.14
  4. Step 4: Simplify right side
    18,891.47x = 285,012,730.14
  5. Step 5: Solve for x
    x = 285,012,730.14/18,891.47
  6. Step 6: Final answer
    x = 15,086.85

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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.