Home / 13,184.16-19,774.08-3,948

Finding the Fourth Proportional to 13,184.16, 19,774.08 and 3,948

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Solution

The fourth proportional to 13,184.16, 19,774.08 and 3,948 is: 5,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.16 : 19,774.08 = 3,948 : x
  2. Step 2: Convert to fraction form
    13,184.16/19,774.08 = 3,948/x
  3. Step 3: Cross multiply
    13,184.16x = 19,774.08 × 3,948
  4. Step 4: Simplify right side
    13,184.16x = 78,068,067.84
  5. Step 5: Solve for x
    x = 78,068,067.84/13,184.16
  6. Step 6: Final answer
    x = 5,921.35

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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.