Home / 13,272.48-19,912.08-4,506

Finding the Fourth Proportional to 13,272.48, 19,912.08 and 4,506

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Solution

The fourth proportional to 13,272.48, 19,912.08 and 4,506 is: 6,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.48 : 19,912.08 = 4,506 : x
  2. Step 2: Convert to fraction form
    13,272.48/19,912.08 = 4,506/x
  3. Step 3: Cross multiply
    13,272.48x = 19,912.08 × 4,506
  4. Step 4: Simplify right side
    13,272.48x = 89,723,832.48
  5. Step 5: Solve for x
    x = 89,723,832.48/13,272.48
  6. Step 6: Final answer
    x = 6,760.14

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Why These Related Problems?

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