Home / 14,639.67-20,183.67-9,332.55

Finding the Fourth Proportional to 14,639.67, 20,183.67 and 9,332.55

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Solution

The fourth proportional to 14,639.67, 20,183.67 and 9,332.55 is: 12,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.67 : 20,183.67 = 9,332.55 : x
  2. Step 2: Convert to fraction form
    14,639.67/20,183.67 = 9,332.55/x
  3. Step 3: Cross multiply
    14,639.67x = 20,183.67 × 9,332.55
  4. Step 4: Simplify right side
    14,639.67x = 188,365,109.46
  5. Step 5: Solve for x
    x = 188,365,109.46/14,639.67
  6. Step 6: Final answer
    x = 12,866.76

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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.