Home / 16,990.25-25,485.37-5,304.47

Finding the Fourth Proportional to 16,990.25, 25,485.37 and 5,304.47

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Solution

The fourth proportional to 16,990.25, 25,485.37 and 5,304.47 is: 7,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.25 : 25,485.37 = 5,304.47 : x
  2. Step 2: Convert to fraction form
    16,990.25/25,485.37 = 5,304.47/x
  3. Step 3: Cross multiply
    16,990.25x = 25,485.37 × 5,304.47
  4. Step 4: Simplify right side
    16,990.25x = 135,186,239.92
  5. Step 5: Solve for x
    x = 135,186,239.92/16,990.25
  6. Step 6: Final answer
    x = 7,956.70

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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.