Home / 10,867.92-14,996.26-6,389.04

Finding the Fourth Proportional to 10,867.92, 14,996.26 and 6,389.04

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Solution

The fourth proportional to 10,867.92, 14,996.26 and 6,389.04 is: 8,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.92 : 14,996.26 = 6,389.04 : x
  2. Step 2: Convert to fraction form
    10,867.92/14,996.26 = 6,389.04/x
  3. Step 3: Cross multiply
    10,867.92x = 14,996.26 × 6,389.04
  4. Step 4: Simplify right side
    10,867.92x = 95,811,704.99
  5. Step 5: Solve for x
    x = 95,811,704.99/10,867.92
  6. Step 6: Final answer
    x = 8,816.01

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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.