Home / 20,861.92-31,298.00-6,070.97

Finding the Fourth Proportional to 20,861.92, 31,298.00 and 6,070.97

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Solution

The fourth proportional to 20,861.92, 31,298.00 and 6,070.97 is: 9,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861.92 : 31,298.00 = 6,070.97 : x
  2. Step 2: Convert to fraction form
    20,861.92/31,298.00 = 6,070.97/x
  3. Step 3: Cross multiply
    20,861.92x = 31,298.00 × 6,070.97
  4. Step 4: Simplify right side
    20,861.92x = 190,009,142.12
  5. Step 5: Solve for x
    x = 190,009,142.12/20,861.92
  6. Step 6: Final answer
    x = 9,107.94

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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.