Home / 14,422.46-19,886.92-11,827.55

Finding the Fourth Proportional to 14,422.46, 19,886.92 and 11,827.55

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Solution

The fourth proportional to 14,422.46, 19,886.92 and 11,827.55 is: 16,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.46 : 19,886.92 = 11,827.55 : x
  2. Step 2: Convert to fraction form
    14,422.46/19,886.92 = 11,827.55/x
  3. Step 3: Cross multiply
    14,422.46x = 19,886.92 × 11,827.55
  4. Step 4: Simplify right side
    14,422.46x = 235,213,560.79
  5. Step 5: Solve for x
    x = 235,213,560.79/14,422.46
  6. Step 6: Final answer
    x = 16,308.84

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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.