Home / 10,379.55-15,572.31-5,116.14

Finding the Fourth Proportional to 10,379.55, 15,572.31 and 5,116.14

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Solution

The fourth proportional to 10,379.55, 15,572.31 and 5,116.14 is: 7,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.55 : 15,572.31 = 5,116.14 : x
  2. Step 2: Convert to fraction form
    10,379.55/15,572.31 = 5,116.14/x
  3. Step 3: Cross multiply
    10,379.55x = 15,572.31 × 5,116.14
  4. Step 4: Simplify right side
    10,379.55x = 79,670,118.08
  5. Step 5: Solve for x
    x = 79,670,118.08/10,379.55
  6. Step 6: Final answer
    x = 7,675.68

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1.5x scale

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.