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Finding the Fourth Proportional to 8,044.32, 11,088.24 and 8,018.40

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Solution

The fourth proportional to 8,044.32, 11,088.24 and 8,018.40 is: 11,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.32 : 11,088.24 = 8,018.40 : x
  2. Step 2: Convert to fraction form
    8,044.32/11,088.24 = 8,018.40/x
  3. Step 3: Cross multiply
    8,044.32x = 11,088.24 × 8,018.40
  4. Step 4: Simplify right side
    8,044.32x = 88,909,943.62
  5. Step 5: Solve for x
    x = 88,909,943.62/8,044.32
  6. Step 6: Final answer
    x = 11,052.51

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Half scale
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Double scale
Find fourth proportional to 8,045.32, 11,089.62 and 8,019.40
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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.