Home / 10,517.16-15,785.46-5,326.68

Finding the Fourth Proportional to 10,517.16, 15,785.46 and 5,326.68

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Solution

The fourth proportional to 10,517.16, 15,785.46 and 5,326.68 is: 7,994.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.16 : 15,785.46 = 5,326.68 : x
  2. Step 2: Convert to fraction form
    10,517.16/15,785.46 = 5,326.68/x
  3. Step 3: Cross multiply
    10,517.16x = 15,785.46 × 5,326.68
  4. Step 4: Simplify right side
    10,517.16x = 84,084,094.07
  5. Step 5: Solve for x
    x = 84,084,094.07/10,517.16
  6. Step 6: Final answer
    x = 7,994.94

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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.