Home / 18,724.86-25,832.28-10,765.39

Finding the Fourth Proportional to 18,724.86, 25,832.28 and 10,765.39

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Solution

The fourth proportional to 18,724.86, 25,832.28 and 10,765.39 is: 14,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.86 : 25,832.28 = 10,765.39 : x
  2. Step 2: Convert to fraction form
    18,724.86/25,832.28 = 10,765.39/x
  3. Step 3: Cross multiply
    18,724.86x = 25,832.28 × 10,765.39
  4. Step 4: Simplify right side
    18,724.86x = 278,094,568.79
  5. Step 5: Solve for x
    x = 278,094,568.79/18,724.86
  6. Step 6: Final answer
    x = 14,851.62

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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.