Home / 15,485.75-23,228.62-6,720.47

Finding the Fourth Proportional to 15,485.75, 23,228.62 and 6,720.47

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Solution

The fourth proportional to 15,485.75, 23,228.62 and 6,720.47 is: 10,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.75 : 23,228.62 = 6,720.47 : x
  2. Step 2: Convert to fraction form
    15,485.75/23,228.62 = 6,720.47/x
  3. Step 3: Cross multiply
    15,485.75x = 23,228.62 × 6,720.47
  4. Step 4: Simplify right side
    15,485.75x = 156,107,235.82
  5. Step 5: Solve for x
    x = 156,107,235.82/15,485.75
  6. Step 6: Final answer
    x = 10,080.70

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