Home / 14,639.69-20,202.83-8,266.55

Finding the Fourth Proportional to 14,639.69, 20,202.83 and 8,266.55

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Solution

The fourth proportional to 14,639.69, 20,202.83 and 8,266.55 is: 11,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.69 : 20,202.83 = 8,266.55 : x
  2. Step 2: Convert to fraction form
    14,639.69/20,202.83 = 8,266.55/x
  3. Step 3: Cross multiply
    14,639.69x = 20,202.83 × 8,266.55
  4. Step 4: Simplify right side
    14,639.69x = 167,007,561.99
  5. Step 5: Solve for x
    x = 167,007,561.99/14,639.69
  6. Step 6: Final answer
    x = 11,407.87

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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.