Home / 15,455.40-23,160.90-9,608.60

Finding the Fourth Proportional to 15,455.40, 23,160.90 and 9,608.60

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Solution

The fourth proportional to 15,455.40, 23,160.90 and 9,608.60 is: 14,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.40 : 23,160.90 = 9,608.60 : x
  2. Step 2: Convert to fraction form
    15,455.40/23,160.90 = 9,608.60/x
  3. Step 3: Cross multiply
    15,455.40x = 23,160.90 × 9,608.60
  4. Step 4: Simplify right side
    15,455.40x = 222,543,823.74
  5. Step 5: Solve for x
    x = 222,543,823.74/15,455.40
  6. Step 6: Final answer
    x = 14,399.10

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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.