Home / 22,012.15-33,017.89-8,864.20

Finding the Fourth Proportional to 22,012.15, 33,017.89 and 8,864.20

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Solution

The fourth proportional to 22,012.15, 33,017.89 and 8,864.20 is: 13,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.15 : 33,017.89 = 8,864.20 : x
  2. Step 2: Convert to fraction form
    22,012.15/33,017.89 = 8,864.20/x
  3. Step 3: Cross multiply
    22,012.15x = 33,017.89 × 8,864.20
  4. Step 4: Simplify right side
    22,012.15x = 292,677,180.54
  5. Step 5: Solve for x
    x = 292,677,180.54/22,012.15
  6. Step 6: Final answer
    x = 13,296.17

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1.5x scale

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.