Home / 15,406.13-23,109.20-6,172.13

Finding the Fourth Proportional to 15,406.13, 23,109.20 and 6,172.13

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Solution

The fourth proportional to 15,406.13, 23,109.20 and 6,172.13 is: 9,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.13 : 23,109.20 = 6,172.13 : x
  2. Step 2: Convert to fraction form
    15,406.13/23,109.20 = 6,172.13/x
  3. Step 3: Cross multiply
    15,406.13x = 23,109.20 × 6,172.13
  4. Step 4: Simplify right side
    15,406.13x = 142,632,840.19
  5. Step 5: Solve for x
    x = 142,632,840.19/15,406.13
  6. Step 6: Final answer
    x = 9,258.19

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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.