Home / 11,376.60-15,693.51-7,126.75

Finding the Fourth Proportional to 11,376.60, 15,693.51 and 7,126.75

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Solution

The fourth proportional to 11,376.60, 15,693.51 and 7,126.75 is: 9,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.60 : 15,693.51 = 7,126.75 : x
  2. Step 2: Convert to fraction form
    11,376.60/15,693.51 = 7,126.75/x
  3. Step 3: Cross multiply
    11,376.60x = 15,693.51 × 7,126.75
  4. Step 4: Simplify right side
    11,376.60x = 111,843,768.73
  5. Step 5: Solve for x
    x = 111,843,768.73/11,376.60
  6. Step 6: Final answer
    x = 9,831.03

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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.