Home / 13,849.84-20,774.76-3,718.36

Finding the Fourth Proportional to 13,849.84, 20,774.76 and 3,718.36

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Solution

The fourth proportional to 13,849.84, 20,774.76 and 3,718.36 is: 5,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.84 : 20,774.76 = 3,718.36 : x
  2. Step 2: Convert to fraction form
    13,849.84/20,774.76 = 3,718.36/x
  3. Step 3: Cross multiply
    13,849.84x = 20,774.76 × 3,718.36
  4. Step 4: Simplify right side
    13,849.84x = 77,248,036.59
  5. Step 5: Solve for x
    x = 77,248,036.59/13,849.84
  6. Step 6: Final answer
    x = 5,577.54

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Similar ratio
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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.