Home / 16,121.60-24,143.52-10,911.68

Finding the Fourth Proportional to 16,121.60, 24,143.52 and 10,911.68

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Solution

The fourth proportional to 16,121.60, 24,143.52 and 10,911.68 is: 16,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.60 : 24,143.52 = 10,911.68 : x
  2. Step 2: Convert to fraction form
    16,121.60/24,143.52 = 10,911.68/x
  3. Step 3: Cross multiply
    16,121.60x = 24,143.52 × 10,911.68
  4. Step 4: Simplify right side
    16,121.60x = 263,446,364.31
  5. Step 5: Solve for x
    x = 263,446,364.31/16,121.60
  6. Step 6: Final answer
    x = 16,341.20

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1.5x scale

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.