Home / 22,210.78-33,316.16-11,106.29

Finding the Fourth Proportional to 22,210.78, 33,316.16 and 11,106.29

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Solution

The fourth proportional to 22,210.78, 33,316.16 and 11,106.29 is: 16,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.78 : 33,316.16 = 11,106.29 : x
  2. Step 2: Convert to fraction form
    22,210.78/33,316.16 = 11,106.29/x
  3. Step 3: Cross multiply
    22,210.78x = 33,316.16 × 11,106.29
  4. Step 4: Simplify right side
    22,210.78x = 370,018,934.65
  5. Step 5: Solve for x
    x = 370,018,934.65/22,210.78
  6. Step 6: Final answer
    x = 16,659.43

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Half scale
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Double scale
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Similar ratio
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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.