Home / 19,772.26-27,295.59-11,387.14

Finding the Fourth Proportional to 19,772.26, 27,295.59 and 11,387.14

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Solution

The fourth proportional to 19,772.26, 27,295.59 and 11,387.14 is: 15,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.26 : 27,295.59 = 11,387.14 : x
  2. Step 2: Convert to fraction form
    19,772.26/27,295.59 = 11,387.14/x
  3. Step 3: Cross multiply
    19,772.26x = 27,295.59 × 11,387.14
  4. Step 4: Simplify right side
    19,772.26x = 310,818,704.71
  5. Step 5: Solve for x
    x = 310,818,704.71/19,772.26
  6. Step 6: Final answer
    x = 15,719.94

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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.