Home / 13,448.10-20,172.15-11,277.30

Finding the Fourth Proportional to 13,448.10, 20,172.15 and 11,277.30

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Solution

The fourth proportional to 13,448.10, 20,172.15 and 11,277.30 is: 16,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.10 : 20,172.15 = 11,277.30 : x
  2. Step 2: Convert to fraction form
    13,448.10/20,172.15 = 11,277.30/x
  3. Step 3: Cross multiply
    13,448.10x = 20,172.15 × 11,277.30
  4. Step 4: Simplify right side
    13,448.10x = 227,487,387.20
  5. Step 5: Solve for x
    x = 227,487,387.20/13,448.10
  6. Step 6: Final answer
    x = 16,915.95

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1.5x scale

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.