Home / 15,100.48-22,640.38-7,690.60

Finding the Fourth Proportional to 15,100.48, 22,640.38 and 7,690.60

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Solution

The fourth proportional to 15,100.48, 22,640.38 and 7,690.60 is: 11,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.48 : 22,640.38 = 7,690.60 : x
  2. Step 2: Convert to fraction form
    15,100.48/22,640.38 = 7,690.60/x
  3. Step 3: Cross multiply
    15,100.48x = 22,640.38 × 7,690.60
  4. Step 4: Simplify right side
    15,100.48x = 174,118,106.43
  5. Step 5: Solve for x
    x = 174,118,106.43/15,100.48
  6. Step 6: Final answer
    x = 11,530.63

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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.