Home / 10,323.92-15,486.84-2,928.56

Finding the Fourth Proportional to 10,323.92, 15,486.84 and 2,928.56

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Solution

The fourth proportional to 10,323.92, 15,486.84 and 2,928.56 is: 4,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.92 : 15,486.84 = 2,928.56 : x
  2. Step 2: Convert to fraction form
    10,323.92/15,486.84 = 2,928.56/x
  3. Step 3: Cross multiply
    10,323.92x = 15,486.84 × 2,928.56
  4. Step 4: Simplify right side
    10,323.92x = 45,354,140.15
  5. Step 5: Solve for x
    x = 45,354,140.15/10,323.92
  6. Step 6: Final answer
    x = 4,393.11

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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.