Home / 15,081.12-22,641.20-11,620.64

Finding the Fourth Proportional to 15,081.12, 22,641.20 and 11,620.64

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Solution

The fourth proportional to 15,081.12, 22,641.20 and 11,620.64 is: 17,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.12 : 22,641.20 = 11,620.64 : x
  2. Step 2: Convert to fraction form
    15,081.12/22,641.20 = 11,620.64/x
  3. Step 3: Cross multiply
    15,081.12x = 22,641.20 × 11,620.64
  4. Step 4: Simplify right side
    15,081.12x = 263,105,234.37
  5. Step 5: Solve for x
    x = 263,105,234.37/15,081.12
  6. Step 6: Final answer
    x = 17,446.00

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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.