Home / 14,138.94-21,201.75-5,248.11

Finding the Fourth Proportional to 14,138.94, 21,201.75 and 5,248.11

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Solution

The fourth proportional to 14,138.94, 21,201.75 and 5,248.11 is: 7,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.94 : 21,201.75 = 5,248.11 : x
  2. Step 2: Convert to fraction form
    14,138.94/21,201.75 = 5,248.11/x
  3. Step 3: Cross multiply
    14,138.94x = 21,201.75 × 5,248.11
  4. Step 4: Simplify right side
    14,138.94x = 111,269,116.19
  5. Step 5: Solve for x
    x = 111,269,116.19/14,138.94
  6. Step 6: Final answer
    x = 7,869.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.