Home / 14,226.91-19,635.11-7,939.69

Finding the Fourth Proportional to 14,226.91, 19,635.11 and 7,939.69

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Solution

The fourth proportional to 14,226.91, 19,635.11 and 7,939.69 is: 10,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.91 : 19,635.11 = 7,939.69 : x
  2. Step 2: Convert to fraction form
    14,226.91/19,635.11 = 7,939.69/x
  3. Step 3: Cross multiply
    14,226.91x = 19,635.11 × 7,939.69
  4. Step 4: Simplify right side
    14,226.91x = 155,896,627.50
  5. Step 5: Solve for x
    x = 155,896,627.50/14,226.91
  6. Step 6: Final answer
    x = 10,957.87

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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.