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Finding the Fourth Proportional to 9,692.40, 13,350.60 and 6,854.88

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Solution

The fourth proportional to 9,692.40, 13,350.60 and 6,854.88 is: 9,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692.40 : 13,350.60 = 6,854.88 : x
  2. Step 2: Convert to fraction form
    9,692.40/13,350.60 = 6,854.88/x
  3. Step 3: Cross multiply
    9,692.40x = 13,350.60 × 6,854.88
  4. Step 4: Simplify right side
    9,692.40x = 91,516,760.93
  5. Step 5: Solve for x
    x = 91,516,760.93/9,692.40
  6. Step 6: Final answer
    x = 9,442.12

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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.