Home / 17,780.18-26,612.39-13,098.34

Finding the Fourth Proportional to 17,780.18, 26,612.39 and 13,098.34

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Solution

The fourth proportional to 17,780.18, 26,612.39 and 13,098.34 is: 19,604.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.18 : 26,612.39 = 13,098.34 : x
  2. Step 2: Convert to fraction form
    17,780.18/26,612.39 = 13,098.34/x
  3. Step 3: Cross multiply
    17,780.18x = 26,612.39 × 13,098.34
  4. Step 4: Simplify right side
    17,780.18x = 348,578,098.65
  5. Step 5: Solve for x
    x = 348,578,098.65/17,780.18
  6. Step 6: Final answer
    x = 19,604.87

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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.