Home / 18,285.71-25,234.20-10,327.79

Finding the Fourth Proportional to 18,285.71, 25,234.20 and 10,327.79

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Solution

The fourth proportional to 18,285.71, 25,234.20 and 10,327.79 is: 14,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.71 : 25,234.20 = 10,327.79 : x
  2. Step 2: Convert to fraction form
    18,285.71/25,234.20 = 10,327.79/x
  3. Step 3: Cross multiply
    18,285.71x = 25,234.20 × 10,327.79
  4. Step 4: Simplify right side
    18,285.71x = 260,613,581.50
  5. Step 5: Solve for x
    x = 260,613,581.50/18,285.71
  6. Step 6: Final answer
    x = 14,252.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.