Home / 20,123.03-30,188.86-6,081.95

Finding the Fourth Proportional to 20,123.03, 30,188.86 and 6,081.95

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Solution

The fourth proportional to 20,123.03, 30,188.86 and 6,081.95 is: 9,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123.03 : 30,188.86 = 6,081.95 : x
  2. Step 2: Convert to fraction form
    20,123.03/30,188.86 = 6,081.95/x
  3. Step 3: Cross multiply
    20,123.03x = 30,188.86 × 6,081.95
  4. Step 4: Simplify right side
    20,123.03x = 183,606,970.93
  5. Step 5: Solve for x
    x = 183,606,970.93/20,123.03
  6. Step 6: Final answer
    x = 9,124.22

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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.