Home / 10,288.11-15,430.58-3,267.21

Finding the Fourth Proportional to 10,288.11, 15,430.58 and 3,267.21

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Solution

The fourth proportional to 10,288.11, 15,430.58 and 3,267.21 is: 4,900.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.11 : 15,430.58 = 3,267.21 : x
  2. Step 2: Convert to fraction form
    10,288.11/15,430.58 = 3,267.21/x
  3. Step 3: Cross multiply
    10,288.11x = 15,430.58 × 3,267.21
  4. Step 4: Simplify right side
    10,288.11x = 50,414,928.95
  5. Step 5: Solve for x
    x = 50,414,928.95/10,288.11
  6. Step 6: Final answer
    x = 4,900.31

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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.