Home / 13,417.10-20,104.05-11,213.90

Finding the Fourth Proportional to 13,417.10, 20,104.05 and 11,213.90

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Solution

The fourth proportional to 13,417.10, 20,104.05 and 11,213.90 is: 16,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.10 : 20,104.05 = 11,213.90 : x
  2. Step 2: Convert to fraction form
    13,417.10/20,104.05 = 11,213.90/x
  3. Step 3: Cross multiply
    13,417.10x = 20,104.05 × 11,213.90
  4. Step 4: Simplify right side
    13,417.10x = 225,444,806.30
  5. Step 5: Solve for x
    x = 225,444,806.30/13,417.10
  6. Step 6: Final answer
    x = 16,802.80

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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.