Home / 13,440.67-20,169.11-4,681.74

Finding the Fourth Proportional to 13,440.67, 20,169.11 and 4,681.74

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Solution

The fourth proportional to 13,440.67, 20,169.11 and 4,681.74 is: 7,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.67 : 20,169.11 = 4,681.74 : x
  2. Step 2: Convert to fraction form
    13,440.67/20,169.11 = 4,681.74/x
  3. Step 3: Cross multiply
    13,440.67x = 20,169.11 × 4,681.74
  4. Step 4: Simplify right side
    13,440.67x = 94,426,529.05
  5. Step 5: Solve for x
    x = 94,426,529.05/13,440.67
  6. Step 6: Final answer
    x = 7,025.43

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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.