Home / 10,219.20-14,104.98-6,243.66

Finding the Fourth Proportional to 10,219.20, 14,104.98 and 6,243.66

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Solution

The fourth proportional to 10,219.20, 14,104.98 and 6,243.66 is: 8,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.20 : 14,104.98 = 6,243.66 : x
  2. Step 2: Convert to fraction form
    10,219.20/14,104.98 = 6,243.66/x
  3. Step 3: Cross multiply
    10,219.20x = 14,104.98 × 6,243.66
  4. Step 4: Simplify right side
    10,219.20x = 88,066,699.43
  5. Step 5: Solve for x
    x = 88,066,699.43/10,219.20
  6. Step 6: Final answer
    x = 8,617.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.