Home / 14,167.72-21,251.56-4,307.04

Finding the Fourth Proportional to 14,167.72, 21,251.56 and 4,307.04

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Solution

The fourth proportional to 14,167.72, 21,251.56 and 4,307.04 is: 6,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.72 : 21,251.56 = 4,307.04 : x
  2. Step 2: Convert to fraction form
    14,167.72/21,251.56 = 4,307.04/x
  3. Step 3: Cross multiply
    14,167.72x = 21,251.56 × 4,307.04
  4. Step 4: Simplify right side
    14,167.72x = 91,531,318.98
  5. Step 5: Solve for x
    x = 91,531,318.98/14,167.72
  6. Step 6: Final answer
    x = 6,460.55

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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.