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Finding the Fourth Proportional to 22,350.34, 30,840.02 and 12,917.08

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Solution

The fourth proportional to 22,350.34, 30,840.02 and 12,917.08 is: 17,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.34 : 30,840.02 = 12,917.08 : x
  2. Step 2: Convert to fraction form
    22,350.34/30,840.02 = 12,917.08/x
  3. Step 3: Cross multiply
    22,350.34x = 30,840.02 × 12,917.08
  4. Step 4: Simplify right side
    22,350.34x = 398,363,005.54
  5. Step 5: Solve for x
    x = 398,363,005.54/22,350.34
  6. Step 6: Final answer
    x = 17,823.58

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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.