Home / 14,639.05-20,182.82-9,331.93

Finding the Fourth Proportional to 14,639.05, 20,182.82 and 9,331.93

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Solution

The fourth proportional to 14,639.05, 20,182.82 and 9,331.93 is: 12,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.05 : 20,182.82 = 9,331.93 : x
  2. Step 2: Convert to fraction form
    14,639.05/20,182.82 = 9,331.93/x
  3. Step 3: Cross multiply
    14,639.05x = 20,182.82 × 9,331.93
  4. Step 4: Simplify right side
    14,639.05x = 188,344,562.53
  5. Step 5: Solve for x
    x = 188,344,562.53/14,639.05
  6. Step 6: Final answer
    x = 12,865.91

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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.