Home / 10,071.68-15,107.55-3,408.23

Finding the Fourth Proportional to 10,071.68, 15,107.55 and 3,408.23

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Solution

The fourth proportional to 10,071.68, 15,107.55 and 3,408.23 is: 5,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.68 : 15,107.55 = 3,408.23 : x
  2. Step 2: Convert to fraction form
    10,071.68/15,107.55 = 3,408.23/x
  3. Step 3: Cross multiply
    10,071.68x = 15,107.55 × 3,408.23
  4. Step 4: Simplify right side
    10,071.68x = 51,489,929.60
  5. Step 5: Solve for x
    x = 51,489,929.60/10,071.68
  6. Step 6: Final answer
    x = 5,112.35

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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.