Home / 18,148.05-27,209.21-7,045.38

Finding the Fourth Proportional to 18,148.05, 27,209.21 and 7,045.38

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Solution

The fourth proportional to 18,148.05, 27,209.21 and 7,045.38 is: 10,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.05 : 27,209.21 = 7,045.38 : x
  2. Step 2: Convert to fraction form
    18,148.05/27,209.21 = 7,045.38/x
  3. Step 3: Cross multiply
    18,148.05x = 27,209.21 × 7,045.38
  4. Step 4: Simplify right side
    18,148.05x = 191,699,188.72
  5. Step 5: Solve for x
    x = 191,699,188.72/18,148.05
  6. Step 6: Final answer
    x = 10,563.07

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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.