Home / 9,615.26-13,268.94-5,423.52

Finding the Fourth Proportional to 9,615.26, 13,268.94 and 5,423.52

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Solution

The fourth proportional to 9,615.26, 13,268.94 and 5,423.52 is: 7,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.26 : 13,268.94 = 5,423.52 : x
  2. Step 2: Convert to fraction form
    9,615.26/13,268.94 = 5,423.52/x
  3. Step 3: Cross multiply
    9,615.26x = 13,268.94 × 5,423.52
  4. Step 4: Simplify right side
    9,615.26x = 71,964,361.47
  5. Step 5: Solve for x
    x = 71,964,361.47/9,615.26
  6. Step 6: Final answer
    x = 7,484.39

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Half scale
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Double scale
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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.