Home / 19,826.89-29,730.92-11,509.48

Finding the Fourth Proportional to 19,826.89, 29,730.92 and 11,509.48

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Solution

The fourth proportional to 19,826.89, 29,730.92 and 11,509.48 is: 17,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.89 : 29,730.92 = 11,509.48 : x
  2. Step 2: Convert to fraction form
    19,826.89/29,730.92 = 11,509.48/x
  3. Step 3: Cross multiply
    19,826.89x = 29,730.92 × 11,509.48
  4. Step 4: Simplify right side
    19,826.89x = 342,187,222.92
  5. Step 5: Solve for x
    x = 342,187,222.92/19,826.89
  6. Step 6: Final answer
    x = 17,258.75

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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.