Home / 19,692.72-29,498.58-13,097.70

Finding the Fourth Proportional to 19,692.72, 29,498.58 and 13,097.70

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Solution

The fourth proportional to 19,692.72, 29,498.58 and 13,097.70 is: 19,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.72 : 29,498.58 = 13,097.70 : x
  2. Step 2: Convert to fraction form
    19,692.72/29,498.58 = 13,097.70/x
  3. Step 3: Cross multiply
    19,692.72x = 29,498.58 × 13,097.70
  4. Step 4: Simplify right side
    19,692.72x = 386,363,551.27
  5. Step 5: Solve for x
    x = 386,363,551.27/19,692.72
  6. Step 6: Final answer
    x = 19,619.61

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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.