Home / 10,352.64-14,286.50-5,636.94

Finding the Fourth Proportional to 10,352.64, 14,286.50 and 5,636.94

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Solution

The fourth proportional to 10,352.64, 14,286.50 and 5,636.94 is: 7,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.64 : 14,286.50 = 5,636.94 : x
  2. Step 2: Convert to fraction form
    10,352.64/14,286.50 = 5,636.94/x
  3. Step 3: Cross multiply
    10,352.64x = 14,286.50 × 5,636.94
  4. Step 4: Simplify right side
    10,352.64x = 80,532,143.31
  5. Step 5: Solve for x
    x = 80,532,143.31/10,352.64
  6. Step 6: Final answer
    x = 7,778.90

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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.