Home / 13,949.92-19,246.14-7,977.32

Finding the Fourth Proportional to 13,949.92, 19,246.14 and 7,977.32

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Solution

The fourth proportional to 13,949.92, 19,246.14 and 7,977.32 is: 11,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.92 : 19,246.14 = 7,977.32 : x
  2. Step 2: Convert to fraction form
    13,949.92/19,246.14 = 7,977.32/x
  3. Step 3: Cross multiply
    13,949.92x = 19,246.14 × 7,977.32
  4. Step 4: Simplify right side
    13,949.92x = 153,532,593.49
  5. Step 5: Solve for x
    x = 153,532,593.49/13,949.92
  6. Step 6: Final answer
    x = 11,005.98

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Similar ratio
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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.