Home / 10,666.30-16,011.60-6,286.23

Finding the Fourth Proportional to 10,666.30, 16,011.60 and 6,286.23

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Solution

The fourth proportional to 10,666.30, 16,011.60 and 6,286.23 is: 9,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.30 : 16,011.60 = 6,286.23 : x
  2. Step 2: Convert to fraction form
    10,666.30/16,011.60 = 6,286.23/x
  3. Step 3: Cross multiply
    10,666.30x = 16,011.60 × 6,286.23
  4. Step 4: Simplify right side
    10,666.30x = 100,652,600.27
  5. Step 5: Solve for x
    x = 100,652,600.27/10,666.30
  6. Step 6: Final answer
    x = 9,436.51

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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.