Home / 16,400.54-24,621.50-13,660.72

Finding the Fourth Proportional to 16,400.54, 24,621.50 and 13,660.72

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Solution

The fourth proportional to 16,400.54, 24,621.50 and 13,660.72 is: 20,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.54 : 24,621.50 = 13,660.72 : x
  2. Step 2: Convert to fraction form
    16,400.54/24,621.50 = 13,660.72/x
  3. Step 3: Cross multiply
    16,400.54x = 24,621.50 × 13,660.72
  4. Step 4: Simplify right side
    16,400.54x = 336,347,390.08
  5. Step 5: Solve for x
    x = 336,347,390.08/16,400.54
  6. Step 6: Final answer
    x = 20,508.31

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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.