Home / 14,447.46-19,938.84-8,780.88

Finding the Fourth Proportional to 14,447.46, 19,938.84 and 8,780.88

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Solution

The fourth proportional to 14,447.46, 19,938.84 and 8,780.88 is: 12,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.46 : 19,938.84 = 8,780.88 : x
  2. Step 2: Convert to fraction form
    14,447.46/19,938.84 = 8,780.88/x
  3. Step 3: Cross multiply
    14,447.46x = 19,938.84 × 8,780.88
  4. Step 4: Simplify right side
    14,447.46x = 175,080,561.38
  5. Step 5: Solve for x
    x = 175,080,561.38/14,447.46
  6. Step 6: Final answer
    x = 12,118.43

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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.