Home / 9,390.60-12,961.26-6,204.51

Finding the Fourth Proportional to 9,390.60, 12,961.26 and 6,204.51

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Solution

The fourth proportional to 9,390.60, 12,961.26 and 6,204.51 is: 8,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.60 : 12,961.26 = 6,204.51 : x
  2. Step 2: Convert to fraction form
    9,390.60/12,961.26 = 6,204.51/x
  3. Step 3: Cross multiply
    9,390.60x = 12,961.26 × 6,204.51
  4. Step 4: Simplify right side
    9,390.60x = 80,418,267.28
  5. Step 5: Solve for x
    x = 80,418,267.28/9,390.60
  6. Step 6: Final answer
    x = 8,563.70

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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.