Home / 16,990.94-25,486.40-5,305.16

Finding the Fourth Proportional to 16,990.94, 25,486.40 and 5,305.16

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Solution

The fourth proportional to 16,990.94, 25,486.40 and 5,305.16 is: 7,957.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.94 : 25,486.40 = 5,305.16 : x
  2. Step 2: Convert to fraction form
    16,990.94/25,486.40 = 5,305.16/x
  3. Step 3: Cross multiply
    16,990.94x = 25,486.40 × 5,305.16
  4. Step 4: Simplify right side
    16,990.94x = 135,209,302.39
  5. Step 5: Solve for x
    x = 135,209,302.39/16,990.94
  6. Step 6: Final answer
    x = 7,957.73

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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.