Home / 13,505.93-20,269.49-9,375.01

Finding the Fourth Proportional to 13,505.93, 20,269.49 and 9,375.01

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Solution

The fourth proportional to 13,505.93, 20,269.49 and 9,375.01 is: 14,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.93 : 20,269.49 = 9,375.01 : x
  2. Step 2: Convert to fraction form
    13,505.93/20,269.49 = 9,375.01/x
  3. Step 3: Cross multiply
    13,505.93x = 20,269.49 × 9,375.01
  4. Step 4: Simplify right side
    13,505.93x = 190,026,573.90
  5. Step 5: Solve for x
    x = 190,026,573.90/13,505.93
  6. Step 6: Final answer
    x = 14,069.86

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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.