Home / 9,962.78-13,742.88-6,230.30

Finding the Fourth Proportional to 9,962.78, 13,742.88 and 6,230.30

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Solution

The fourth proportional to 9,962.78, 13,742.88 and 6,230.30 is: 8,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.78 : 13,742.88 = 6,230.30 : x
  2. Step 2: Convert to fraction form
    9,962.78/13,742.88 = 6,230.30/x
  3. Step 3: Cross multiply
    9,962.78x = 13,742.88 × 6,230.30
  4. Step 4: Simplify right side
    9,962.78x = 85,622,265.26
  5. Step 5: Solve for x
    x = 85,622,265.26/9,962.78
  6. Step 6: Final answer
    x = 8,594.21

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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.