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Finding the Fourth Proportional to 18,056.19, 24,917.85 and 10,098.21

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Solution

The fourth proportional to 18,056.19, 24,917.85 and 10,098.21 is: 13,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.19 : 24,917.85 = 10,098.21 : x
  2. Step 2: Convert to fraction form
    18,056.19/24,917.85 = 10,098.21/x
  3. Step 3: Cross multiply
    18,056.19x = 24,917.85 × 10,098.21
  4. Step 4: Simplify right side
    18,056.19x = 251,625,682.05
  5. Step 5: Solve for x
    x = 251,625,682.05/18,056.19
  6. Step 6: Final answer
    x = 13,935.70

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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.