Home / 9,909.24-14,861.78-2,982.20

Finding the Fourth Proportional to 9,909.24, 14,861.78 and 2,982.20

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Solution

The fourth proportional to 9,909.24, 14,861.78 and 2,982.20 is: 4,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.24 : 14,861.78 = 2,982.20 : x
  2. Step 2: Convert to fraction form
    9,909.24/14,861.78 = 2,982.20/x
  3. Step 3: Cross multiply
    9,909.24x = 14,861.78 × 2,982.20
  4. Step 4: Simplify right side
    9,909.24x = 44,320,800.32
  5. Step 5: Solve for x
    x = 44,320,800.32/9,909.24
  6. Step 6: Final answer
    x = 4,472.67

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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.