Home / 19,844.12-27,384.80-10,891.74

Finding the Fourth Proportional to 19,844.12, 27,384.80 and 10,891.74

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Solution

The fourth proportional to 19,844.12, 27,384.80 and 10,891.74 is: 15,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.12 : 27,384.80 = 10,891.74 : x
  2. Step 2: Convert to fraction form
    19,844.12/27,384.80 = 10,891.74/x
  3. Step 3: Cross multiply
    19,844.12x = 27,384.80 × 10,891.74
  4. Step 4: Simplify right side
    19,844.12x = 298,268,121.55
  5. Step 5: Solve for x
    x = 298,268,121.55/19,844.12
  6. Step 6: Final answer
    x = 15,030.55

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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.