Home / 20,064.70-30,101.85-9,667.90

Finding the Fourth Proportional to 20,064.70, 30,101.85 and 9,667.90

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Solution

The fourth proportional to 20,064.70, 30,101.85 and 9,667.90 is: 14,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.70 : 30,101.85 = 9,667.90 : x
  2. Step 2: Convert to fraction form
    20,064.70/30,101.85 = 9,667.90/x
  3. Step 3: Cross multiply
    20,064.70x = 30,101.85 × 9,667.90
  4. Step 4: Simplify right side
    20,064.70x = 291,021,675.62
  5. Step 5: Solve for x
    x = 291,021,675.62/20,064.70
  6. Step 6: Final answer
    x = 14,504.16

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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.