Home / 10,370.76-15,556.32-2,579.64

Finding the Fourth Proportional to 10,370.76, 15,556.32 and 2,579.64

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Solution

The fourth proportional to 10,370.76, 15,556.32 and 2,579.64 is: 3,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.76 : 15,556.32 = 2,579.64 : x
  2. Step 2: Convert to fraction form
    10,370.76/15,556.32 = 2,579.64/x
  3. Step 3: Cross multiply
    10,370.76x = 15,556.32 × 2,579.64
  4. Step 4: Simplify right side
    10,370.76x = 40,129,705.32
  5. Step 5: Solve for x
    x = 40,129,705.32/10,370.76
  6. Step 6: Final answer
    x = 3,869.50

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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.