Home / 15,110.38-20,846.64-11,140.96

Finding the Fourth Proportional to 15,110.38, 20,846.64 and 11,140.96

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Solution

The fourth proportional to 15,110.38, 20,846.64 and 11,140.96 is: 15,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.38 : 20,846.64 = 11,140.96 : x
  2. Step 2: Convert to fraction form
    15,110.38/20,846.64 = 11,140.96/x
  3. Step 3: Cross multiply
    15,110.38x = 20,846.64 × 11,140.96
  4. Step 4: Simplify right side
    15,110.38x = 232,251,582.37
  5. Step 5: Solve for x
    x = 232,251,582.37/15,110.38
  6. Step 6: Final answer
    x = 15,370.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.