Home / 18,943.24-28,378.48-10,597.97

Finding the Fourth Proportional to 18,943.24, 28,378.48 and 10,597.97

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Solution

The fourth proportional to 18,943.24, 28,378.48 and 10,597.97 is: 15,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.24 : 28,378.48 = 10,597.97 : x
  2. Step 2: Convert to fraction form
    18,943.24/28,378.48 = 10,597.97/x
  3. Step 3: Cross multiply
    18,943.24x = 28,378.48 × 10,597.97
  4. Step 4: Simplify right side
    18,943.24x = 300,754,279.69
  5. Step 5: Solve for x
    x = 300,754,279.69/18,943.24
  6. Step 6: Final answer
    x = 15,876.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.