Home / 19,874.11-27,425.72-10,921.62

Finding the Fourth Proportional to 19,874.11, 27,425.72 and 10,921.62

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Solution

The fourth proportional to 19,874.11, 27,425.72 and 10,921.62 is: 15,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.11 : 27,425.72 = 10,921.62 : x
  2. Step 2: Convert to fraction form
    19,874.11/27,425.72 = 10,921.62/x
  3. Step 3: Cross multiply
    19,874.11x = 27,425.72 × 10,921.62
  4. Step 4: Simplify right side
    19,874.11x = 299,533,292.07
  5. Step 5: Solve for x
    x = 299,533,292.07/19,874.11
  6. Step 6: Final answer
    x = 15,071.53

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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.