Home / 16,439.39-24,661.47-5,190.92

Finding the Fourth Proportional to 16,439.39, 24,661.47 and 5,190.92

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Solution

The fourth proportional to 16,439.39, 24,661.47 and 5,190.92 is: 7,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,439.39 : 24,661.47 = 5,190.92 : x
  2. Step 2: Convert to fraction form
    16,439.39/24,661.47 = 5,190.92/x
  3. Step 3: Cross multiply
    16,439.39x = 24,661.47 × 5,190.92
  4. Step 4: Simplify right side
    16,439.39x = 128,015,717.85
  5. Step 5: Solve for x
    x = 128,015,717.85/16,439.39
  6. Step 6: Final answer
    x = 7,787.13

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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.