Home / 22,121.34-33,180.81-8,970.18

Finding the Fourth Proportional to 22,121.34, 33,180.81 and 8,970.18

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Solution

The fourth proportional to 22,121.34, 33,180.81 and 8,970.18 is: 13,454.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.34 : 33,180.81 = 8,970.18 : x
  2. Step 2: Convert to fraction form
    22,121.34/33,180.81 = 8,970.18/x
  3. Step 3: Cross multiply
    22,121.34x = 33,180.81 × 8,970.18
  4. Step 4: Simplify right side
    22,121.34x = 297,637,838.25
  5. Step 5: Solve for x
    x = 297,637,838.25/22,121.34
  6. Step 6: Final answer
    x = 13,454.78

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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.