Home / 15,003.63-22,511.93-8,419.95

Finding the Fourth Proportional to 15,003.63, 22,511.93 and 8,419.95

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Solution

The fourth proportional to 15,003.63, 22,511.93 and 8,419.95 is: 12,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.63 : 22,511.93 = 8,419.95 : x
  2. Step 2: Convert to fraction form
    15,003.63/22,511.93 = 8,419.95/x
  3. Step 3: Cross multiply
    15,003.63x = 22,511.93 × 8,419.95
  4. Step 4: Simplify right side
    15,003.63x = 189,549,282.90
  5. Step 5: Solve for x
    x = 189,549,282.90/15,003.63
  6. Step 6: Final answer
    x = 12,633.56

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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.