Home / 19,409.32-29,112.54-6,927.92

Finding the Fourth Proportional to 19,409.32, 29,112.54 and 6,927.92

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Solution

The fourth proportional to 19,409.32, 29,112.54 and 6,927.92 is: 10,391.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.32 : 29,112.54 = 6,927.92 : x
  2. Step 2: Convert to fraction form
    19,409.32/29,112.54 = 6,927.92/x
  3. Step 3: Cross multiply
    19,409.32x = 29,112.54 × 6,927.92
  4. Step 4: Simplify right side
    19,409.32x = 201,689,348.12
  5. Step 5: Solve for x
    x = 201,689,348.12/19,409.32
  6. Step 6: Final answer
    x = 10,391.37

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1.5x scale

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.