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Finding the Fourth Proportional to 22,658.13, 33,987.06 and 8,807.13

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Solution

The fourth proportional to 22,658.13, 33,987.06 and 8,807.13 is: 13,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.13 : 33,987.06 = 8,807.13 : x
  2. Step 2: Convert to fraction form
    22,658.13/33,987.06 = 8,807.13/x
  3. Step 3: Cross multiply
    22,658.13x = 33,987.06 × 8,807.13
  4. Step 4: Simplify right side
    22,658.13x = 299,328,455.74
  5. Step 5: Solve for x
    x = 299,328,455.74/22,658.13
  6. Step 6: Final answer
    x = 13,210.64

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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.