Home / 10,067.04-15,094.80-5,381.28

Finding the Fourth Proportional to 10,067.04, 15,094.80 and 5,381.28

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Solution

The fourth proportional to 10,067.04, 15,094.80 and 5,381.28 is: 8,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.04 : 15,094.80 = 5,381.28 : x
  2. Step 2: Convert to fraction form
    10,067.04/15,094.80 = 5,381.28/x
  3. Step 3: Cross multiply
    10,067.04x = 15,094.80 × 5,381.28
  4. Step 4: Simplify right side
    10,067.04x = 81,229,345.34
  5. Step 5: Solve for x
    x = 81,229,345.34/10,067.04
  6. Step 6: Final answer
    x = 8,068.84

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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.