Home / 20,199.14-30,298.26-5,408.06

Finding the Fourth Proportional to 20,199.14, 30,298.26 and 5,408.06

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Solution

The fourth proportional to 20,199.14, 30,298.26 and 5,408.06 is: 8,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.14 : 30,298.26 = 5,408.06 : x
  2. Step 2: Convert to fraction form
    20,199.14/30,298.26 = 5,408.06/x
  3. Step 3: Cross multiply
    20,199.14x = 30,298.26 × 5,408.06
  4. Step 4: Simplify right side
    20,199.14x = 163,854,807.98
  5. Step 5: Solve for x
    x = 163,854,807.98/20,199.14
  6. Step 6: Final answer
    x = 8,111.97

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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.