Home / 10,014.30-14,999.85-8,919.90

Finding the Fourth Proportional to 10,014.30, 14,999.85 and 8,919.90

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Solution

The fourth proportional to 10,014.30, 14,999.85 and 8,919.90 is: 13,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.30 : 14,999.85 = 8,919.90 : x
  2. Step 2: Convert to fraction form
    10,014.30/14,999.85 = 8,919.90/x
  3. Step 3: Cross multiply
    10,014.30x = 14,999.85 × 8,919.90
  4. Step 4: Simplify right side
    10,014.30x = 133,797,162.02
  5. Step 5: Solve for x
    x = 133,797,162.02/10,014.30
  6. Step 6: Final answer
    x = 13,360.61

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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.