Home / 18,148.05-27,152.15-11,126.57

Finding the Fourth Proportional to 18,148.05, 27,152.15 and 11,126.57

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Solution

The fourth proportional to 18,148.05, 27,152.15 and 11,126.57 is: 16,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.05 : 27,152.15 = 11,126.57 : x
  2. Step 2: Convert to fraction form
    18,148.05/27,152.15 = 11,126.57/x
  3. Step 3: Cross multiply
    18,148.05x = 27,152.15 × 11,126.57
  4. Step 4: Simplify right side
    18,148.05x = 302,110,106.23
  5. Step 5: Solve for x
    x = 302,110,106.23/18,148.05
  6. Step 6: Final answer
    x = 16,646.97

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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.