Home / 13,134.11-19,703.75-3,774.18

Finding the Fourth Proportional to 13,134.11, 19,703.75 and 3,774.18

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Solution

The fourth proportional to 13,134.11, 19,703.75 and 3,774.18 is: 5,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.11 : 19,703.75 = 3,774.18 : x
  2. Step 2: Convert to fraction form
    13,134.11/19,703.75 = 3,774.18/x
  3. Step 3: Cross multiply
    13,134.11x = 19,703.75 × 3,774.18
  4. Step 4: Simplify right side
    13,134.11x = 74,365,480.30
  5. Step 5: Solve for x
    x = 74,365,480.30/13,134.11
  6. Step 6: Final answer
    x = 5,662.01

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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.