Home / 19,229.76-26,537.72-11,162.81

Finding the Fourth Proportional to 19,229.76, 26,537.72 and 11,162.81

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Solution

The fourth proportional to 19,229.76, 26,537.72 and 11,162.81 is: 15,405.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.76 : 26,537.72 = 11,162.81 : x
  2. Step 2: Convert to fraction form
    19,229.76/26,537.72 = 11,162.81/x
  3. Step 3: Cross multiply
    19,229.76x = 26,537.72 × 11,162.81
  4. Step 4: Simplify right side
    19,229.76x = 296,235,536.72
  5. Step 5: Solve for x
    x = 296,235,536.72/19,229.76
  6. Step 6: Final answer
    x = 15,405.06

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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.