Home / 20,616.49-30,924.66-7,465.79

Finding the Fourth Proportional to 20,616.49, 30,924.66 and 7,465.79

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Solution

The fourth proportional to 20,616.49, 30,924.66 and 7,465.79 is: 11,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,616.49 : 30,924.66 = 7,465.79 : x
  2. Step 2: Convert to fraction form
    20,616.49/30,924.66 = 7,465.79/x
  3. Step 3: Cross multiply
    20,616.49x = 30,924.66 × 7,465.79
  4. Step 4: Simplify right side
    20,616.49x = 230,877,017.38
  5. Step 5: Solve for x
    x = 230,877,017.38/20,616.49
  6. Step 6: Final answer
    x = 11,198.66

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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.