Home / 20,125.76-30,188.92-6,085.90

Finding the Fourth Proportional to 20,125.76, 30,188.92 and 6,085.90

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Solution

The fourth proportional to 20,125.76, 30,188.92 and 6,085.90 is: 9,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,125.76 : 30,188.92 = 6,085.90 : x
  2. Step 2: Convert to fraction form
    20,125.76/30,188.92 = 6,085.90/x
  3. Step 3: Cross multiply
    20,125.76x = 30,188.92 × 6,085.90
  4. Step 4: Simplify right side
    20,125.76x = 183,726,748.23
  5. Step 5: Solve for x
    x = 183,726,748.23/20,125.76
  6. Step 6: Final answer
    x = 9,128.93

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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.