Home / 13,121.58-19,682.28-5,624.04

Finding the Fourth Proportional to 13,121.58, 19,682.28 and 5,624.04

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Solution

The fourth proportional to 13,121.58, 19,682.28 and 5,624.04 is: 8,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,121.58 : 19,682.28 = 5,624.04 : x
  2. Step 2: Convert to fraction form
    13,121.58/19,682.28 = 5,624.04/x
  3. Step 3: Cross multiply
    13,121.58x = 19,682.28 × 5,624.04
  4. Step 4: Simplify right side
    13,121.58x = 110,693,930.01
  5. Step 5: Solve for x
    x = 110,693,930.01/13,121.58
  6. Step 6: Final answer
    x = 8,436.02

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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.