Home / 16,438.95-22,682.84-9,724.86

Finding the Fourth Proportional to 16,438.95, 22,682.84 and 9,724.86

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Solution

The fourth proportional to 16,438.95, 22,682.84 and 9,724.86 is: 13,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,438.95 : 22,682.84 = 9,724.86 : x
  2. Step 2: Convert to fraction form
    16,438.95/22,682.84 = 9,724.86/x
  3. Step 3: Cross multiply
    16,438.95x = 22,682.84 × 9,724.86
  4. Step 4: Simplify right side
    16,438.95x = 220,587,394.78
  5. Step 5: Solve for x
    x = 220,587,394.78/16,438.95
  6. Step 6: Final answer
    x = 13,418.58

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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.