Home / 20,099.07-30,168.87-17,774.37

Finding the Fourth Proportional to 20,099.07, 30,168.87 and 17,774.37

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Solution

The fourth proportional to 20,099.07, 30,168.87 and 17,774.37 is: 26,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.07 : 30,168.87 = 17,774.37 : x
  2. Step 2: Convert to fraction form
    20,099.07/30,168.87 = 17,774.37/x
  3. Step 3: Cross multiply
    20,099.07x = 30,168.87 × 17,774.37
  4. Step 4: Simplify right side
    20,099.07x = 536,232,657.86
  5. Step 5: Solve for x
    x = 536,232,657.86/20,099.07
  6. Step 6: Final answer
    x = 26,679.48

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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.