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Finding the Fourth Proportional to 18,887, 26,064.06 and 10,503.50

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Solution

The fourth proportional to 18,887, 26,064.06 and 10,503.50 is: 14,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887 : 26,064.06 = 10,503.50 : x
  2. Step 2: Convert to fraction form
    18,887/26,064.06 = 10,503.50/x
  3. Step 3: Cross multiply
    18,887x = 26,064.06 × 10,503.50
  4. Step 4: Simplify right side
    18,887x = 273,763,854.21
  5. Step 5: Solve for x
    x = 273,763,854.21/18,887
  6. Step 6: Final answer
    x = 14,494.83

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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.