Home / 19,947.29-29,914.34-6,617.21

Finding the Fourth Proportional to 19,947.29, 29,914.34 and 6,617.21

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Solution

The fourth proportional to 19,947.29, 29,914.34 and 6,617.21 is: 9,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.29 : 29,914.34 = 6,617.21 : x
  2. Step 2: Convert to fraction form
    19,947.29/29,914.34 = 6,617.21/x
  3. Step 3: Cross multiply
    19,947.29x = 29,914.34 × 6,617.21
  4. Step 4: Simplify right side
    19,947.29x = 197,949,287.13
  5. Step 5: Solve for x
    x = 197,949,287.13/19,947.29
  6. Step 6: Final answer
    x = 9,923.62

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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.