Home / 17,875.32-24,651.78-11,161.56

Finding the Fourth Proportional to 17,875.32, 24,651.78 and 11,161.56

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Solution

The fourth proportional to 17,875.32, 24,651.78 and 11,161.56 is: 15,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.32 : 24,651.78 = 11,161.56 : x
  2. Step 2: Convert to fraction form
    17,875.32/24,651.78 = 11,161.56/x
  3. Step 3: Cross multiply
    17,875.32x = 24,651.78 × 11,161.56
  4. Step 4: Simplify right side
    17,875.32x = 275,152,321.58
  5. Step 5: Solve for x
    x = 275,152,321.58/17,875.32
  6. Step 6: Final answer
    x = 15,392.86

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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.