Home / 10,267.72-15,399.25-4,715.72

Finding the Fourth Proportional to 10,267.72, 15,399.25 and 4,715.72

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Solution

The fourth proportional to 10,267.72, 15,399.25 and 4,715.72 is: 7,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.72 : 15,399.25 = 4,715.72 : x
  2. Step 2: Convert to fraction form
    10,267.72/15,399.25 = 4,715.72/x
  3. Step 3: Cross multiply
    10,267.72x = 15,399.25 × 4,715.72
  4. Step 4: Simplify right side
    10,267.72x = 72,618,589.71
  5. Step 5: Solve for x
    x = 72,618,589.71/10,267.72
  6. Step 6: Final answer
    x = 7,072.52

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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.