Home / 19,826.39-29,730.17-11,508.98

Finding the Fourth Proportional to 19,826.39, 29,730.17 and 11,508.98

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Solution

The fourth proportional to 19,826.39, 29,730.17 and 11,508.98 is: 17,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.39 : 29,730.17 = 11,508.98 : x
  2. Step 2: Convert to fraction form
    19,826.39/29,730.17 = 11,508.98/x
  3. Step 3: Cross multiply
    19,826.39x = 29,730.17 × 11,508.98
  4. Step 4: Simplify right side
    19,826.39x = 342,163,725.73
  5. Step 5: Solve for x
    x = 342,163,725.73/19,826.39
  6. Step 6: Final answer
    x = 17,258.00

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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.