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Finding the Fourth Proportional to 14,868, 20,518.48 and 8,898.52

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Solution

The fourth proportional to 14,868, 20,518.48 and 8,898.52 is: 12,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868 : 20,518.48 = 8,898.52 : x
  2. Step 2: Convert to fraction form
    14,868/20,518.48 = 8,898.52/x
  3. Step 3: Cross multiply
    14,868x = 20,518.48 × 8,898.52
  4. Step 4: Simplify right side
    14,868x = 182,584,104.65
  5. Step 5: Solve for x
    x = 182,584,104.65/14,868
  6. Step 6: Final answer
    x = 12,280.34

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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.