Home / 16,990.43-25,485.65-5,304.65

Finding the Fourth Proportional to 16,990.43, 25,485.65 and 5,304.65

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Solution

The fourth proportional to 16,990.43, 25,485.65 and 5,304.65 is: 7,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.43 : 25,485.65 = 5,304.65 : x
  2. Step 2: Convert to fraction form
    16,990.43/25,485.65 = 5,304.65/x
  3. Step 3: Cross multiply
    16,990.43x = 25,485.65 × 5,304.65
  4. Step 4: Simplify right side
    16,990.43x = 135,192,510.36
  5. Step 5: Solve for x
    x = 135,192,510.36/16,990.43
  6. Step 6: Final answer
    x = 7,956.98

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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.