Home / 15,505.88-23,261.70-7,180.40

Finding the Fourth Proportional to 15,505.88, 23,261.70 and 7,180.40

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Solution

The fourth proportional to 15,505.88, 23,261.70 and 7,180.40 is: 10,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.88 : 23,261.70 = 7,180.40 : x
  2. Step 2: Convert to fraction form
    15,505.88/23,261.70 = 7,180.40/x
  3. Step 3: Cross multiply
    15,505.88x = 23,261.70 × 7,180.40
  4. Step 4: Simplify right side
    15,505.88x = 167,028,310.68
  5. Step 5: Solve for x
    x = 167,028,310.68/15,505.88
  6. Step 6: Final answer
    x = 10,771.93

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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.