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Finding the Fourth Proportional to 15,236.81, 22,858.07 and 6,917.41

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Solution

The fourth proportional to 15,236.81, 22,858.07 and 6,917.41 is: 10,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.81 : 22,858.07 = 6,917.41 : x
  2. Step 2: Convert to fraction form
    15,236.81/22,858.07 = 6,917.41/x
  3. Step 3: Cross multiply
    15,236.81x = 22,858.07 × 6,917.41
  4. Step 4: Simplify right side
    15,236.81x = 158,118,642.00
  5. Step 5: Solve for x
    x = 158,118,642.00/15,236.81
  6. Step 6: Final answer
    x = 10,377.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.