Home / 11,017.09-15,203.17-5,981.21

Finding the Fourth Proportional to 11,017.09, 15,203.17 and 5,981.21

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Solution

The fourth proportional to 11,017.09, 15,203.17 and 5,981.21 is: 8,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.09 : 15,203.17 = 5,981.21 : x
  2. Step 2: Convert to fraction form
    11,017.09/15,203.17 = 5,981.21/x
  3. Step 3: Cross multiply
    11,017.09x = 15,203.17 × 5,981.21
  4. Step 4: Simplify right side
    11,017.09x = 90,933,352.44
  5. Step 5: Solve for x
    x = 90,933,352.44/11,017.09
  6. Step 6: Final answer
    x = 8,253.84

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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.