Home / 14,167.69-21,245.85-4,305.13

Finding the Fourth Proportional to 14,167.69, 21,245.85 and 4,305.13

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Solution

The fourth proportional to 14,167.69, 21,245.85 and 4,305.13 is: 6,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.69 : 21,245.85 = 4,305.13 : x
  2. Step 2: Convert to fraction form
    14,167.69/21,245.85 = 4,305.13/x
  3. Step 3: Cross multiply
    14,167.69x = 21,245.85 × 4,305.13
  4. Step 4: Simplify right side
    14,167.69x = 91,466,093.10
  5. Step 5: Solve for x
    x = 91,466,093.10/14,167.69
  6. Step 6: Final answer
    x = 6,455.96

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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.