Home / 14,324.73-21,508.97-12,487.65

Finding the Fourth Proportional to 14,324.73, 21,508.97 and 12,487.65

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Solution

The fourth proportional to 14,324.73, 21,508.97 and 12,487.65 is: 18,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.73 : 21,508.97 = 12,487.65 : x
  2. Step 2: Convert to fraction form
    14,324.73/21,508.97 = 12,487.65/x
  3. Step 3: Cross multiply
    14,324.73x = 21,508.97 × 12,487.65
  4. Step 4: Simplify right side
    14,324.73x = 268,596,426.78
  5. Step 5: Solve for x
    x = 268,596,426.78/14,324.73
  6. Step 6: Final answer
    x = 18,750.54

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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.