Home / 14,694.05-20,277.57-8,320.47

Finding the Fourth Proportional to 14,694.05, 20,277.57 and 8,320.47

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Solution

The fourth proportional to 14,694.05, 20,277.57 and 8,320.47 is: 11,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,694.05 : 20,277.57 = 8,320.47 : x
  2. Step 2: Convert to fraction form
    14,694.05/20,277.57 = 8,320.47/x
  3. Step 3: Cross multiply
    14,694.05x = 20,277.57 × 8,320.47
  4. Step 4: Simplify right side
    14,694.05x = 168,718,912.86
  5. Step 5: Solve for x
    x = 168,718,912.86/14,694.05
  6. Step 6: Final answer
    x = 11,482.13

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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.