Home / 10,179.45-15,266.79-5,739.03

Finding the Fourth Proportional to 10,179.45, 15,266.79 and 5,739.03

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Solution

The fourth proportional to 10,179.45, 15,266.79 and 5,739.03 is: 8,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.45 : 15,266.79 = 5,739.03 : x
  2. Step 2: Convert to fraction form
    10,179.45/15,266.79 = 5,739.03/x
  3. Step 3: Cross multiply
    10,179.45x = 15,266.79 × 5,739.03
  4. Step 4: Simplify right side
    10,179.45x = 87,616,565.81
  5. Step 5: Solve for x
    x = 87,616,565.81/10,179.45
  6. Step 6: Final answer
    x = 8,607.20

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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.