Home / 19,568.64-29,338.92-9,174.72

Finding the Fourth Proportional to 19,568.64, 29,338.92 and 9,174.72

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Solution

The fourth proportional to 19,568.64, 29,338.92 and 9,174.72 is: 13,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.64 : 29,338.92 = 9,174.72 : x
  2. Step 2: Convert to fraction form
    19,568.64/29,338.92 = 9,174.72/x
  3. Step 3: Cross multiply
    19,568.64x = 29,338.92 × 9,174.72
  4. Step 4: Simplify right side
    19,568.64x = 269,176,376.10
  5. Step 5: Solve for x
    x = 269,176,376.10/19,568.64
  6. Step 6: Final answer
    x = 13,755.50

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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.