Home / 20,805.86-31,209.02-6,014.91

Finding the Fourth Proportional to 20,805.86, 31,209.02 and 6,014.91

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Solution

The fourth proportional to 20,805.86, 31,209.02 and 6,014.91 is: 9,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,805.86 : 31,209.02 = 6,014.91 : x
  2. Step 2: Convert to fraction form
    20,805.86/31,209.02 = 6,014.91/x
  3. Step 3: Cross multiply
    20,805.86x = 31,209.02 × 6,014.91
  4. Step 4: Simplify right side
    20,805.86x = 187,719,383.50
  5. Step 5: Solve for x
    x = 187,719,383.50/20,805.86
  6. Step 6: Final answer
    x = 9,022.43

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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.