Home / 14,226.33-19,632.87-7,939.92

Finding the Fourth Proportional to 14,226.33, 19,632.87 and 7,939.92

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Solution

The fourth proportional to 14,226.33, 19,632.87 and 7,939.92 is: 10,957.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.33 : 19,632.87 = 7,939.92 : x
  2. Step 2: Convert to fraction form
    14,226.33/19,632.87 = 7,939.92/x
  3. Step 3: Cross multiply
    14,226.33x = 19,632.87 × 7,939.92
  4. Step 4: Simplify right side
    14,226.33x = 155,883,417.17
  5. Step 5: Solve for x
    x = 155,883,417.17/14,226.33
  6. Step 6: Final answer
    x = 10,957.39

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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.