Home / 19,322.68-26,665.26-10,939.96

Finding the Fourth Proportional to 19,322.68, 26,665.26 and 10,939.96

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Solution

The fourth proportional to 19,322.68, 26,665.26 and 10,939.96 is: 15,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.68 : 26,665.26 = 10,939.96 : x
  2. Step 2: Convert to fraction form
    19,322.68/26,665.26 = 10,939.96/x
  3. Step 3: Cross multiply
    19,322.68x = 26,665.26 × 10,939.96
  4. Step 4: Simplify right side
    19,322.68x = 291,716,877.79
  5. Step 5: Solve for x
    x = 291,716,877.79/19,322.68
  6. Step 6: Final answer
    x = 15,097.12

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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.