Home / 10,323.36-15,486.96-3,402.72

Finding the Fourth Proportional to 10,323.36, 15,486.96 and 3,402.72

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Solution

The fourth proportional to 10,323.36, 15,486.96 and 3,402.72 is: 5,104.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.36 : 15,486.96 = 3,402.72 : x
  2. Step 2: Convert to fraction form
    10,323.36/15,486.96 = 3,402.72/x
  3. Step 3: Cross multiply
    10,323.36x = 15,486.96 × 3,402.72
  4. Step 4: Simplify right side
    10,323.36x = 52,697,788.53
  5. Step 5: Solve for x
    x = 52,697,788.53/10,323.36
  6. Step 6: Final answer
    x = 5,104.71

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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.