Home / 18,947.14-26,142.62-11,392.27

Finding the Fourth Proportional to 18,947.14, 26,142.62 and 11,392.27

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Solution

The fourth proportional to 18,947.14, 26,142.62 and 11,392.27 is: 15,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.14 : 26,142.62 = 11,392.27 : x
  2. Step 2: Convert to fraction form
    18,947.14/26,142.62 = 11,392.27/x
  3. Step 3: Cross multiply
    18,947.14x = 26,142.62 × 11,392.27
  4. Step 4: Simplify right side
    18,947.14x = 297,823,663.23
  5. Step 5: Solve for x
    x = 297,823,663.23/18,947.14
  6. Step 6: Final answer
    x = 15,718.66

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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.