Home / 11,029.62-15,222.69-8,055.30

Finding the Fourth Proportional to 11,029.62, 15,222.69 and 8,055.30

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Solution

The fourth proportional to 11,029.62, 15,222.69 and 8,055.30 is: 11,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.62 : 15,222.69 = 8,055.30 : x
  2. Step 2: Convert to fraction form
    11,029.62/15,222.69 = 8,055.30/x
  3. Step 3: Cross multiply
    11,029.62x = 15,222.69 × 8,055.30
  4. Step 4: Simplify right side
    11,029.62x = 122,623,334.76
  5. Step 5: Solve for x
    x = 122,623,334.76/11,029.62
  6. Step 6: Final answer
    x = 11,117.64

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Half scale
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Double scale
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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.