Home / 19,718.92-27,209.46-11,335.96

Finding the Fourth Proportional to 19,718.92, 27,209.46 and 11,335.96

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Solution

The fourth proportional to 19,718.92, 27,209.46 and 11,335.96 is: 15,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.92 : 27,209.46 = 11,335.96 : x
  2. Step 2: Convert to fraction form
    19,718.92/27,209.46 = 11,335.96/x
  3. Step 3: Cross multiply
    19,718.92x = 27,209.46 × 11,335.96
  4. Step 4: Simplify right side
    19,718.92x = 308,445,350.18
  5. Step 5: Solve for x
    x = 308,445,350.18/19,718.92
  6. Step 6: Final answer
    x = 15,642.10

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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.