Home / 20,113.67-30,160.77-6,071.09

Finding the Fourth Proportional to 20,113.67, 30,160.77 and 6,071.09

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Solution

The fourth proportional to 20,113.67, 30,160.77 and 6,071.09 is: 9,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.67 : 30,160.77 = 6,071.09 : x
  2. Step 2: Convert to fraction form
    20,113.67/30,160.77 = 6,071.09/x
  3. Step 3: Cross multiply
    20,113.67x = 30,160.77 × 6,071.09
  4. Step 4: Simplify right side
    20,113.67x = 183,108,749.14
  5. Step 5: Solve for x
    x = 183,108,749.14/20,113.67
  6. Step 6: Final answer
    x = 9,103.70

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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.