Home / 19,531.66-29,298.86-7,844.88

Finding the Fourth Proportional to 19,531.66, 29,298.86 and 7,844.88

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Solution

The fourth proportional to 19,531.66, 29,298.86 and 7,844.88 is: 11,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.66 : 29,298.86 = 7,844.88 : x
  2. Step 2: Convert to fraction form
    19,531.66/29,298.86 = 7,844.88/x
  3. Step 3: Cross multiply
    19,531.66x = 29,298.86 × 7,844.88
  4. Step 4: Simplify right side
    19,531.66x = 229,846,040.84
  5. Step 5: Solve for x
    x = 229,846,040.84/19,531.66
  6. Step 6: Final answer
    x = 11,767.87

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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.