Home / 10,155.54-15,204.15-7,505.22

Finding the Fourth Proportional to 10,155.54, 15,204.15 and 7,505.22

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Solution

The fourth proportional to 10,155.54, 15,204.15 and 7,505.22 is: 11,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.54 : 15,204.15 = 7,505.22 : x
  2. Step 2: Convert to fraction form
    10,155.54/15,204.15 = 7,505.22/x
  3. Step 3: Cross multiply
    10,155.54x = 15,204.15 × 7,505.22
  4. Step 4: Simplify right side
    10,155.54x = 114,110,490.66
  5. Step 5: Solve for x
    x = 114,110,490.66/10,155.54
  6. Step 6: Final answer
    x = 11,236.28

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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.