Home / 14,680.26-20,261.79-8,715.24

Finding the Fourth Proportional to 14,680.26, 20,261.79 and 8,715.24

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Solution

The fourth proportional to 14,680.26, 20,261.79 and 8,715.24 is: 12,028.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.26 : 20,261.79 = 8,715.24 : x
  2. Step 2: Convert to fraction form
    14,680.26/20,261.79 = 8,715.24/x
  3. Step 3: Cross multiply
    14,680.26x = 20,261.79 × 8,715.24
  4. Step 4: Simplify right side
    14,680.26x = 176,586,362.68
  5. Step 5: Solve for x
    x = 176,586,362.68/14,680.26
  6. Step 6: Final answer
    x = 12,028.83

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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.