Home / 19,568.10-29,339.40-12,884.38

Finding the Fourth Proportional to 19,568.10, 29,339.40 and 12,884.38

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Solution

The fourth proportional to 19,568.10, 29,339.40 and 12,884.38 is: 19,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,568.10 : 29,339.40 = 12,884.38 : x
  2. Step 2: Convert to fraction form
    19,568.10/29,339.40 = 12,884.38/x
  3. Step 3: Cross multiply
    19,568.10x = 29,339.40 × 12,884.38
  4. Step 4: Simplify right side
    19,568.10x = 378,019,978.57
  5. Step 5: Solve for x
    x = 378,019,978.57/19,568.10
  6. Step 6: Final answer
    x = 19,318.17

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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.