Home / 19,826.57-29,730.44-11,509.14

Finding the Fourth Proportional to 19,826.57, 29,730.44 and 11,509.14

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Solution

The fourth proportional to 19,826.57, 29,730.44 and 11,509.14 is: 17,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.57 : 29,730.44 = 11,509.14 : x
  2. Step 2: Convert to fraction form
    19,826.57/29,730.44 = 11,509.14/x
  3. Step 3: Cross multiply
    19,826.57x = 29,730.44 × 11,509.14
  4. Step 4: Simplify right side
    19,826.57x = 342,171,824.99
  5. Step 5: Solve for x
    x = 342,171,824.99/19,826.57
  6. Step 6: Final answer
    x = 17,258.24

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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.