Home / 16,121.60-22,246.32-9,046.72

Finding the Fourth Proportional to 16,121.60, 22,246.32 and 9,046.72

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Solution

The fourth proportional to 16,121.60, 22,246.32 and 9,046.72 is: 12,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.60 : 22,246.32 = 9,046.72 : x
  2. Step 2: Convert to fraction form
    16,121.60/22,246.32 = 9,046.72/x
  3. Step 3: Cross multiply
    16,121.60x = 22,246.32 × 9,046.72
  4. Step 4: Simplify right side
    16,121.60x = 201,256,228.07
  5. Step 5: Solve for x
    x = 201,256,228.07/16,121.60
  6. Step 6: Final answer
    x = 12,483.64

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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.