Home / 13,715.56-20,606.16-8,794.80

Finding the Fourth Proportional to 13,715.56, 20,606.16 and 8,794.80

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Solution

The fourth proportional to 13,715.56, 20,606.16 and 8,794.80 is: 13,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.56 : 20,606.16 = 8,794.80 : x
  2. Step 2: Convert to fraction form
    13,715.56/20,606.16 = 8,794.80/x
  3. Step 3: Cross multiply
    13,715.56x = 20,606.16 × 8,794.80
  4. Step 4: Simplify right side
    13,715.56x = 181,227,055.97
  5. Step 5: Solve for x
    x = 181,227,055.97/13,715.56
  6. Step 6: Final answer
    x = 13,213.25

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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.