Home / 22,011.15-33,016.40-8,863.20

Finding the Fourth Proportional to 22,011.15, 33,016.40 and 8,863.20

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Solution

The fourth proportional to 22,011.15, 33,016.40 and 8,863.20 is: 13,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.15 : 33,016.40 = 8,863.20 : x
  2. Step 2: Convert to fraction form
    22,011.15/33,016.40 = 8,863.20/x
  3. Step 3: Cross multiply
    22,011.15x = 33,016.40 × 8,863.20
  4. Step 4: Simplify right side
    22,011.15x = 292,630,912.16
  5. Step 5: Solve for x
    x = 292,630,912.16/22,011.15
  6. Step 6: Final answer
    x = 13,294.67

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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.