Home / 18,818.16-25,968.92-10,320.06

Finding the Fourth Proportional to 18,818.16, 25,968.92 and 10,320.06

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Solution

The fourth proportional to 18,818.16, 25,968.92 and 10,320.06 is: 14,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.16 : 25,968.92 = 10,320.06 : x
  2. Step 2: Convert to fraction form
    18,818.16/25,968.92 = 10,320.06/x
  3. Step 3: Cross multiply
    18,818.16x = 25,968.92 × 10,320.06
  4. Step 4: Simplify right side
    18,818.16x = 268,000,812.54
  5. Step 5: Solve for x
    x = 268,000,812.54/18,818.16
  6. Step 6: Final answer
    x = 14,241.61

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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.