Home / 20,015.56-29,984.34-13,069

Finding the Fourth Proportional to 20,015.56, 29,984.34 and 13,069

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Solution

The fourth proportional to 20,015.56, 29,984.34 and 13,069 is: 19,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.56 : 29,984.34 = 13,069 : x
  2. Step 2: Convert to fraction form
    20,015.56/29,984.34 = 13,069/x
  3. Step 3: Cross multiply
    20,015.56x = 29,984.34 × 13,069
  4. Step 4: Simplify right side
    20,015.56x = 391,865,339.46
  5. Step 5: Solve for x
    x = 391,865,339.46/20,015.56
  6. Step 6: Final answer
    x = 19,578.04

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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.