Home / 19,841.76-27,379.89-11,342.19

Finding the Fourth Proportional to 19,841.76, 27,379.89 and 11,342.19

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Solution

The fourth proportional to 19,841.76, 27,379.89 and 11,342.19 is: 15,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.76 : 27,379.89 = 11,342.19 : x
  2. Step 2: Convert to fraction form
    19,841.76/27,379.89 = 11,342.19/x
  3. Step 3: Cross multiply
    19,841.76x = 27,379.89 × 11,342.19
  4. Step 4: Simplify right side
    19,841.76x = 310,547,914.56
  5. Step 5: Solve for x
    x = 310,547,914.56/19,841.76
  6. Step 6: Final answer
    x = 15,651.23

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Double scale
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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.