Home / 9,268.42-12,780.56-7,376.26

Finding the Fourth Proportional to 9,268.42, 12,780.56 and 7,376.26

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Solution

The fourth proportional to 9,268.42, 12,780.56 and 7,376.26 is: 10,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.42 : 12,780.56 = 7,376.26 : x
  2. Step 2: Convert to fraction form
    9,268.42/12,780.56 = 7,376.26/x
  3. Step 3: Cross multiply
    9,268.42x = 12,780.56 × 7,376.26
  4. Step 4: Simplify right side
    9,268.42x = 94,272,733.51
  5. Step 5: Solve for x
    x = 94,272,733.51/9,268.42
  6. Step 6: Final answer
    x = 10,171.39

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Double scale
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Similar ratio
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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.