Home / 19,471.07-29,208.67-8,939.32

Finding the Fourth Proportional to 19,471.07, 29,208.67 and 8,939.32

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Solution

The fourth proportional to 19,471.07, 29,208.67 and 8,939.32 is: 13,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.07 : 29,208.67 = 8,939.32 : x
  2. Step 2: Convert to fraction form
    19,471.07/29,208.67 = 8,939.32/x
  3. Step 3: Cross multiply
    19,471.07x = 29,208.67 × 8,939.32
  4. Step 4: Simplify right side
    19,471.07x = 261,105,552.53
  5. Step 5: Solve for x
    x = 261,105,552.53/19,471.07
  6. Step 6: Final answer
    x = 13,409.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.