Home / 16,681.66-25,019.60-7,797.79

Finding the Fourth Proportional to 16,681.66, 25,019.60 and 7,797.79

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Solution

The fourth proportional to 16,681.66, 25,019.60 and 7,797.79 is: 11,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.66 : 25,019.60 = 7,797.79 : x
  2. Step 2: Convert to fraction form
    16,681.66/25,019.60 = 7,797.79/x
  3. Step 3: Cross multiply
    16,681.66x = 25,019.60 × 7,797.79
  4. Step 4: Simplify right side
    16,681.66x = 195,097,586.68
  5. Step 5: Solve for x
    x = 195,097,586.68/16,681.66
  6. Step 6: Final answer
    x = 11,695.34

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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.