Home / 19,901.60-27,464.21-10,949.42

Finding the Fourth Proportional to 19,901.60, 27,464.21 and 10,949.42

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Solution

The fourth proportional to 19,901.60, 27,464.21 and 10,949.42 is: 15,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.60 : 27,464.21 = 10,949.42 : x
  2. Step 2: Convert to fraction form
    19,901.60/27,464.21 = 10,949.42/x
  3. Step 3: Cross multiply
    19,901.60x = 27,464.21 × 10,949.42
  4. Step 4: Simplify right side
    19,901.60x = 300,717,184.17
  5. Step 5: Solve for x
    x = 300,717,184.17/19,901.60
  6. Step 6: Final answer
    x = 15,110.21

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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.