Home / 10,158.86-15,224.45-6,211.50

Finding the Fourth Proportional to 10,158.86, 15,224.45 and 6,211.50

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Solution

The fourth proportional to 10,158.86, 15,224.45 and 6,211.50 is: 9,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.86 : 15,224.45 = 6,211.50 : x
  2. Step 2: Convert to fraction form
    10,158.86/15,224.45 = 6,211.50/x
  3. Step 3: Cross multiply
    10,158.86x = 15,224.45 × 6,211.50
  4. Step 4: Simplify right side
    10,158.86x = 94,566,640.12
  5. Step 5: Solve for x
    x = 94,566,640.12/10,158.86
  6. Step 6: Final answer
    x = 9,308.79

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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.