Home / 19,622.60-29,390.70-13,747.40

Finding the Fourth Proportional to 19,622.60, 29,390.70 and 13,747.40

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Solution

The fourth proportional to 19,622.60, 29,390.70 and 13,747.40 is: 20,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.60 : 29,390.70 = 13,747.40 : x
  2. Step 2: Convert to fraction form
    19,622.60/29,390.70 = 13,747.40/x
  3. Step 3: Cross multiply
    19,622.60x = 29,390.70 × 13,747.40
  4. Step 4: Simplify right side
    19,622.60x = 404,045,709.18
  5. Step 5: Solve for x
    x = 404,045,709.18/19,622.60
  6. Step 6: Final answer
    x = 20,590.83

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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.