Home / 19,734.12-27,232.92-10,781.64

Finding the Fourth Proportional to 19,734.12, 27,232.92 and 10,781.64

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Solution

The fourth proportional to 19,734.12, 27,232.92 and 10,781.64 is: 14,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.12 : 27,232.92 = 10,781.64 : x
  2. Step 2: Convert to fraction form
    19,734.12/27,232.92 = 10,781.64/x
  3. Step 3: Cross multiply
    19,734.12x = 27,232.92 × 10,781.64
  4. Step 4: Simplify right side
    19,734.12x = 293,615,539.59
  5. Step 5: Solve for x
    x = 293,615,539.59/19,734.12
  6. Step 6: Final answer
    x = 14,878.57

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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.