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Finding the Fourth Proportional to 18,063.60, 24,926.61 and 10,104.45

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Solution

The fourth proportional to 18,063.60, 24,926.61 and 10,104.45 is: 13,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,063.60 : 24,926.61 = 10,104.45 : x
  2. Step 2: Convert to fraction form
    18,063.60/24,926.61 = 10,104.45/x
  3. Step 3: Cross multiply
    18,063.60x = 24,926.61 × 10,104.45
  4. Step 4: Simplify right side
    18,063.60x = 251,869,684.41
  5. Step 5: Solve for x
    x = 251,869,684.41/18,063.60
  6. Step 6: Final answer
    x = 13,943.49

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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.