Home / 13,148.14-19,725-3,788.08

Finding the Fourth Proportional to 13,148.14, 19,725 and 3,788.08

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Solution

The fourth proportional to 13,148.14, 19,725 and 3,788.08 is: 5,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.14 : 19,725 = 3,788.08 : x
  2. Step 2: Convert to fraction form
    13,148.14/19,725 = 3,788.08/x
  3. Step 3: Cross multiply
    13,148.14x = 19,725 × 3,788.08
  4. Step 4: Simplify right side
    13,148.14x = 74,719,878
  5. Step 5: Solve for x
    x = 74,719,878/13,148.14
  6. Step 6: Final answer
    x = 5,682.92

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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.