Home / 16,266.12-22,441.64-9,890.72

Finding the Fourth Proportional to 16,266.12, 22,441.64 and 9,890.72

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Solution

The fourth proportional to 16,266.12, 22,441.64 and 9,890.72 is: 13,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,266.12 : 22,441.64 = 9,890.72 : x
  2. Step 2: Convert to fraction form
    16,266.12/22,441.64 = 9,890.72/x
  3. Step 3: Cross multiply
    16,266.12x = 22,441.64 × 9,890.72
  4. Step 4: Simplify right side
    16,266.12x = 221,963,977.58
  5. Step 5: Solve for x
    x = 221,963,977.58/16,266.12
  6. Step 6: Final answer
    x = 13,645.79

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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.