Home / 15,439.90-23,161.22-4,346.68

Finding the Fourth Proportional to 15,439.90, 23,161.22 and 4,346.68

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Solution

The fourth proportional to 15,439.90, 23,161.22 and 4,346.68 is: 6,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.90 : 23,161.22 = 4,346.68 : x
  2. Step 2: Convert to fraction form
    15,439.90/23,161.22 = 4,346.68/x
  3. Step 3: Cross multiply
    15,439.90x = 23,161.22 × 4,346.68
  4. Step 4: Simplify right side
    15,439.90x = 100,674,411.75
  5. Step 5: Solve for x
    x = 100,674,411.75/15,439.90
  6. Step 6: Final answer
    x = 6,520.41

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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.