Home / 19,917.42-27,487.59-10,966.62

Finding the Fourth Proportional to 19,917.42, 27,487.59 and 10,966.62

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Solution

The fourth proportional to 19,917.42, 27,487.59 and 10,966.62 is: 15,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.42 : 27,487.59 = 10,966.62 : x
  2. Step 2: Convert to fraction form
    19,917.42/27,487.59 = 10,966.62/x
  3. Step 3: Cross multiply
    19,917.42x = 27,487.59 × 10,966.62
  4. Step 4: Simplify right side
    19,917.42x = 301,445,954.25
  5. Step 5: Solve for x
    x = 301,445,954.25/19,917.42
  6. Step 6: Final answer
    x = 15,134.79

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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.