Home / 18,285.91-25,234.34-10,730.89

Finding the Fourth Proportional to 18,285.91, 25,234.34 and 10,730.89

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Solution

The fourth proportional to 18,285.91, 25,234.34 and 10,730.89 is: 14,808.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.91 : 25,234.34 = 10,730.89 : x
  2. Step 2: Convert to fraction form
    18,285.91/25,234.34 = 10,730.89/x
  3. Step 3: Cross multiply
    18,285.91x = 25,234.34 × 10,730.89
  4. Step 4: Simplify right side
    18,285.91x = 270,786,873.11
  5. Step 5: Solve for x
    x = 270,786,873.11/18,285.91
  6. Step 6: Final answer
    x = 14,808.50

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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.