Home / 14,565.20-21,804.60-12,837.20

Finding the Fourth Proportional to 14,565.20, 21,804.60 and 12,837.20

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Solution

The fourth proportional to 14,565.20, 21,804.60 and 12,837.20 is: 19,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.20 : 21,804.60 = 12,837.20 : x
  2. Step 2: Convert to fraction form
    14,565.20/21,804.60 = 12,837.20/x
  3. Step 3: Cross multiply
    14,565.20x = 21,804.60 × 12,837.20
  4. Step 4: Simplify right side
    14,565.20x = 279,910,011.12
  5. Step 5: Solve for x
    x = 279,910,011.12/14,565.20
  6. Step 6: Final answer
    x = 19,217.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.