Home / 9,520.45-13,124.25-6,679.21

Finding the Fourth Proportional to 9,520.45, 13,124.25 and 6,679.21

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Solution

The fourth proportional to 9,520.45, 13,124.25 and 6,679.21 is: 9,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.45 : 13,124.25 = 6,679.21 : x
  2. Step 2: Convert to fraction form
    9,520.45/13,124.25 = 6,679.21/x
  3. Step 3: Cross multiply
    9,520.45x = 13,124.25 × 6,679.21
  4. Step 4: Simplify right side
    9,520.45x = 87,659,621.84
  5. Step 5: Solve for x
    x = 87,659,621.84/9,520.45
  6. Step 6: Final answer
    x = 9,207.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.