Home / 9,676.20-13,355.10-6,319.56

Finding the Fourth Proportional to 9,676.20, 13,355.10 and 6,319.56

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Solution

The fourth proportional to 9,676.20, 13,355.10 and 6,319.56 is: 8,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,676.20 : 13,355.10 = 6,319.56 : x
  2. Step 2: Convert to fraction form
    9,676.20/13,355.10 = 6,319.56/x
  3. Step 3: Cross multiply
    9,676.20x = 13,355.10 × 6,319.56
  4. Step 4: Simplify right side
    9,676.20x = 84,398,355.76
  5. Step 5: Solve for x
    x = 84,398,355.76/9,676.20
  6. Step 6: Final answer
    x = 8,722.26

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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.