Home / 10,863.24-14,982.72-6,880.50

Finding the Fourth Proportional to 10,863.24, 14,982.72 and 6,880.50

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Solution

The fourth proportional to 10,863.24, 14,982.72 and 6,880.50 is: 9,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.24 : 14,982.72 = 6,880.50 : x
  2. Step 2: Convert to fraction form
    10,863.24/14,982.72 = 6,880.50/x
  3. Step 3: Cross multiply
    10,863.24x = 14,982.72 × 6,880.50
  4. Step 4: Simplify right side
    10,863.24x = 103,088,604.96
  5. Step 5: Solve for x
    x = 103,088,604.96/10,863.24
  6. Step 6: Final answer
    x = 9,489.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.