Home / 9,637.38-13,311.54-8,310.60

Finding the Fourth Proportional to 9,637.38, 13,311.54 and 8,310.60

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Solution

The fourth proportional to 9,637.38, 13,311.54 and 8,310.60 is: 11,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.38 : 13,311.54 = 8,310.60 : x
  2. Step 2: Convert to fraction form
    9,637.38/13,311.54 = 8,310.60/x
  3. Step 3: Cross multiply
    9,637.38x = 13,311.54 × 8,310.60
  4. Step 4: Simplify right side
    9,637.38x = 110,626,884.32
  5. Step 5: Solve for x
    x = 110,626,884.32/9,637.38
  6. Step 6: Final answer
    x = 11,478.94

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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.