Home / 13,134.78-19,705.14-4,370.04

Finding the Fourth Proportional to 13,134.78, 19,705.14 and 4,370.04

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Solution

The fourth proportional to 13,134.78, 19,705.14 and 4,370.04 is: 6,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.78 : 19,705.14 = 4,370.04 : x
  2. Step 2: Convert to fraction form
    13,134.78/19,705.14 = 4,370.04/x
  3. Step 3: Cross multiply
    13,134.78x = 19,705.14 × 4,370.04
  4. Step 4: Simplify right side
    13,134.78x = 86,112,250.01
  5. Step 5: Solve for x
    x = 86,112,250.01/13,134.78
  6. Step 6: Final answer
    x = 6,556.05

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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.