Home / 14,167.85-21,252.97-4,307.21

Finding the Fourth Proportional to 14,167.85, 21,252.97 and 4,307.21

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Solution

The fourth proportional to 14,167.85, 21,252.97 and 4,307.21 is: 6,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.85 : 21,252.97 = 4,307.21 : x
  2. Step 2: Convert to fraction form
    14,167.85/21,252.97 = 4,307.21/x
  3. Step 3: Cross multiply
    14,167.85x = 21,252.97 × 4,307.21
  4. Step 4: Simplify right side
    14,167.85x = 91,540,983.73
  5. Step 5: Solve for x
    x = 91,540,983.73/14,167.85
  6. Step 6: Final answer
    x = 6,461.18

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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.