Home / 18,516.30-27,776.25-5,368.38

Finding the Fourth Proportional to 18,516.30, 27,776.25 and 5,368.38

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Solution

The fourth proportional to 18,516.30, 27,776.25 and 5,368.38 is: 8,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.30 : 27,776.25 = 5,368.38 : x
  2. Step 2: Convert to fraction form
    18,516.30/27,776.25 = 5,368.38/x
  3. Step 3: Cross multiply
    18,516.30x = 27,776.25 × 5,368.38
  4. Step 4: Simplify right side
    18,516.30x = 149,113,464.98
  5. Step 5: Solve for x
    x = 149,113,464.98/18,516.30
  6. Step 6: Final answer
    x = 8,053.09

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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.