Home / 19,744.68-27,239.86-11,356.68

Finding the Fourth Proportional to 19,744.68, 27,239.86 and 11,356.68

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Solution

The fourth proportional to 19,744.68, 27,239.86 and 11,356.68 is: 15,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.68 : 27,239.86 = 11,356.68 : x
  2. Step 2: Convert to fraction form
    19,744.68/27,239.86 = 11,356.68/x
  3. Step 3: Cross multiply
    19,744.68x = 27,239.86 × 11,356.68
  4. Step 4: Simplify right side
    19,744.68x = 309,354,373.26
  5. Step 5: Solve for x
    x = 309,354,373.26/19,744.68
  6. Step 6: Final answer
    x = 15,667.73

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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.