Home / 9,638.68-13,297.44-6,495.88

Finding the Fourth Proportional to 9,638.68, 13,297.44 and 6,495.88

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Solution

The fourth proportional to 9,638.68, 13,297.44 and 6,495.88 is: 8,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.68 : 13,297.44 = 6,495.88 : x
  2. Step 2: Convert to fraction form
    9,638.68/13,297.44 = 6,495.88/x
  3. Step 3: Cross multiply
    9,638.68x = 13,297.44 × 6,495.88
  4. Step 4: Simplify right side
    9,638.68x = 86,378,574.55
  5. Step 5: Solve for x
    x = 86,378,574.55/9,638.68
  6. Step 6: Final answer
    x = 8,961.66

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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.