Home / 38,103.32-57,159.84-11,809.64

Finding the Fourth Proportional to 38,103.32, 57,159.84 and 11,809.64

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Solution

The fourth proportional to 38,103.32, 57,159.84 and 11,809.64 is: 17,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.32 : 57,159.84 = 11,809.64 : x
  2. Step 2: Convert to fraction form
    38,103.32/57,159.84 = 11,809.64/x
  3. Step 3: Cross multiply
    38,103.32x = 57,159.84 × 11,809.64
  4. Step 4: Simplify right side
    38,103.32x = 675,037,132.86
  5. Step 5: Solve for x
    x = 675,037,132.86/38,103.32
  6. Step 6: Final answer
    x = 17,715.97

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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.