Home / 14,432.58-19,917.48-8,382.36

Finding the Fourth Proportional to 14,432.58, 19,917.48 and 8,382.36

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Solution

The fourth proportional to 14,432.58, 19,917.48 and 8,382.36 is: 11,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.58 : 19,917.48 = 8,382.36 : x
  2. Step 2: Convert to fraction form
    14,432.58/19,917.48 = 8,382.36/x
  3. Step 3: Cross multiply
    14,432.58x = 19,917.48 × 8,382.36
  4. Step 4: Simplify right side
    14,432.58x = 166,955,487.65
  5. Step 5: Solve for x
    x = 166,955,487.65/14,432.58
  6. Step 6: Final answer
    x = 11,567.96

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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.