Home / 18,685.44-25,786.10-10,302.24

Finding the Fourth Proportional to 18,685.44, 25,786.10 and 10,302.24

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Solution

The fourth proportional to 18,685.44, 25,786.10 and 10,302.24 is: 14,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.44 : 25,786.10 = 10,302.24 : x
  2. Step 2: Convert to fraction form
    18,685.44/25,786.10 = 10,302.24/x
  3. Step 3: Cross multiply
    18,685.44x = 25,786.10 × 10,302.24
  4. Step 4: Simplify right side
    18,685.44x = 265,654,590.86
  5. Step 5: Solve for x
    x = 265,654,590.86/18,685.44
  6. Step 6: Final answer
    x = 14,217.20

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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.