Home / 10,155.27-15,231.03-4,607.28

Finding the Fourth Proportional to 10,155.27, 15,231.03 and 4,607.28

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Solution

The fourth proportional to 10,155.27, 15,231.03 and 4,607.28 is: 6,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.27 : 15,231.03 = 4,607.28 : x
  2. Step 2: Convert to fraction form
    10,155.27/15,231.03 = 4,607.28/x
  3. Step 3: Cross multiply
    10,155.27x = 15,231.03 × 4,607.28
  4. Step 4: Simplify right side
    10,155.27x = 70,173,619.90
  5. Step 5: Solve for x
    x = 70,173,619.90/10,155.27
  6. Step 6: Final answer
    x = 6,910.07

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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.