Home / 18,764.93-25,887.56-10,805.47

Finding the Fourth Proportional to 18,764.93, 25,887.56 and 10,805.47

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Solution

The fourth proportional to 18,764.93, 25,887.56 and 10,805.47 is: 14,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764.93 : 25,887.56 = 10,805.47 : x
  2. Step 2: Convert to fraction form
    18,764.93/25,887.56 = 10,805.47/x
  3. Step 3: Cross multiply
    18,764.93x = 25,887.56 × 10,805.47
  4. Step 4: Simplify right side
    18,764.93x = 279,727,134.21
  5. Step 5: Solve for x
    x = 279,727,134.21/18,764.93
  6. Step 6: Final answer
    x = 14,906.91

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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.