Home / 19,799.29-29,689.65-11,481.67

Finding the Fourth Proportional to 19,799.29, 29,689.65 and 11,481.67

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Solution

The fourth proportional to 19,799.29, 29,689.65 and 11,481.67 is: 17,217.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.29 : 29,689.65 = 11,481.67 : x
  2. Step 2: Convert to fraction form
    19,799.29/29,689.65 = 11,481.67/x
  3. Step 3: Cross multiply
    19,799.29x = 29,689.65 × 11,481.67
  4. Step 4: Simplify right side
    19,799.29x = 340,886,763.72
  5. Step 5: Solve for x
    x = 340,886,763.72/19,799.29
  6. Step 6: Final answer
    x = 17,217.12

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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.