Home / 20,516.69-30,775.29-7,369.06

Finding the Fourth Proportional to 20,516.69, 30,775.29 and 7,369.06

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Solution

The fourth proportional to 20,516.69, 30,775.29 and 7,369.06 is: 11,053.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.69 : 30,775.29 = 7,369.06 : x
  2. Step 2: Convert to fraction form
    20,516.69/30,775.29 = 7,369.06/x
  3. Step 3: Cross multiply
    20,516.69x = 30,775.29 × 7,369.06
  4. Step 4: Simplify right side
    20,516.69x = 226,784,881.59
  5. Step 5: Solve for x
    x = 226,784,881.59/20,516.69
  6. Step 6: Final answer
    x = 11,053.68

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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.