Home / 18,764.57-25,901.62-10,809.97

Finding the Fourth Proportional to 18,764.57, 25,901.62 and 10,809.97

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Solution

The fourth proportional to 18,764.57, 25,901.62 and 10,809.97 is: 14,921.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.57 : 25,901.62 = 10,809.97 : x
  2. Step 2: Convert to fraction form
    18,764.57/25,901.62 = 10,809.97/x
  3. Step 3: Cross multiply
    18,764.57x = 25,901.62 × 10,809.97
  4. Step 4: Simplify right side
    18,764.57x = 279,995,643.37
  5. Step 5: Solve for x
    x = 279,995,643.37/18,764.57
  6. Step 6: Final answer
    x = 14,921.50

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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.