Home / 17,965.20-24,785.16-10,889.04

Finding the Fourth Proportional to 17,965.20, 24,785.16 and 10,889.04

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Solution

The fourth proportional to 17,965.20, 24,785.16 and 10,889.04 is: 15,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.20 : 24,785.16 = 10,889.04 : x
  2. Step 2: Convert to fraction form
    17,965.20/24,785.16 = 10,889.04/x
  3. Step 3: Cross multiply
    17,965.20x = 24,785.16 × 10,889.04
  4. Step 4: Simplify right side
    17,965.20x = 269,886,598.65
  5. Step 5: Solve for x
    x = 269,886,598.65/17,965.20
  6. Step 6: Final answer
    x = 15,022.74

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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.