Home / 16,486.80-24,727.05-5,390.16

Finding the Fourth Proportional to 16,486.80, 24,727.05 and 5,390.16

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Solution

The fourth proportional to 16,486.80, 24,727.05 and 5,390.16 is: 8,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.80 : 24,727.05 = 5,390.16 : x
  2. Step 2: Convert to fraction form
    16,486.80/24,727.05 = 5,390.16/x
  3. Step 3: Cross multiply
    16,486.80x = 24,727.05 × 5,390.16
  4. Step 4: Simplify right side
    16,486.80x = 133,282,755.83
  5. Step 5: Solve for x
    x = 133,282,755.83/16,486.80
  6. Step 6: Final answer
    x = 8,084.21

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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.