Home / 13,885.48-20,828.22-3,498.04

Finding the Fourth Proportional to 13,885.48, 20,828.22 and 3,498.04

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Solution

The fourth proportional to 13,885.48, 20,828.22 and 3,498.04 is: 5,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.48 : 20,828.22 = 3,498.04 : x
  2. Step 2: Convert to fraction form
    13,885.48/20,828.22 = 3,498.04/x
  3. Step 3: Cross multiply
    13,885.48x = 20,828.22 × 3,498.04
  4. Step 4: Simplify right side
    13,885.48x = 72,857,946.69
  5. Step 5: Solve for x
    x = 72,857,946.69/13,885.48
  6. Step 6: Final answer
    x = 5,247.06

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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.