Home / 14,251.24-21,376.91-8,403.75

Finding the Fourth Proportional to 14,251.24, 21,376.91 and 8,403.75

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Solution

The fourth proportional to 14,251.24, 21,376.91 and 8,403.75 is: 12,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.24 : 21,376.91 = 8,403.75 : x
  2. Step 2: Convert to fraction form
    14,251.24/21,376.91 = 8,403.75/x
  3. Step 3: Cross multiply
    14,251.24x = 21,376.91 × 8,403.75
  4. Step 4: Simplify right side
    14,251.24x = 179,646,228.42
  5. Step 5: Solve for x
    x = 179,646,228.42/14,251.24
  6. Step 6: Final answer
    x = 12,605.65

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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.