Home / 18,952.71-26,154.45-10,996.31

Finding the Fourth Proportional to 18,952.71, 26,154.45 and 10,996.31

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Solution

The fourth proportional to 18,952.71, 26,154.45 and 10,996.31 is: 15,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.71 : 26,154.45 = 10,996.31 : x
  2. Step 2: Convert to fraction form
    18,952.71/26,154.45 = 10,996.31/x
  3. Step 3: Cross multiply
    18,952.71x = 26,154.45 × 10,996.31
  4. Step 4: Simplify right side
    18,952.71x = 287,602,309.31
  5. Step 5: Solve for x
    x = 287,602,309.31/18,952.71
  6. Step 6: Final answer
    x = 15,174.73

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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.