Home / 10,224.77-15,341.20-3,986.66

Finding the Fourth Proportional to 10,224.77, 15,341.20 and 3,986.66

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Solution

The fourth proportional to 10,224.77, 15,341.20 and 3,986.66 is: 5,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.77 : 15,341.20 = 3,986.66 : x
  2. Step 2: Convert to fraction form
    10,224.77/15,341.20 = 3,986.66/x
  3. Step 3: Cross multiply
    10,224.77x = 15,341.20 × 3,986.66
  4. Step 4: Simplify right side
    10,224.77x = 61,160,176.78
  5. Step 5: Solve for x
    x = 61,160,176.78/10,224.77
  6. Step 6: Final answer
    x = 5,981.57

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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.