Home / 20,093.04-30,143.70-6,943.68

Finding the Fourth Proportional to 20,093.04, 30,143.70 and 6,943.68

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Solution

The fourth proportional to 20,093.04, 30,143.70 and 6,943.68 is: 10,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.04 : 30,143.70 = 6,943.68 : x
  2. Step 2: Convert to fraction form
    20,093.04/30,143.70 = 6,943.68/x
  3. Step 3: Cross multiply
    20,093.04x = 30,143.70 × 6,943.68
  4. Step 4: Simplify right side
    20,093.04x = 209,308,206.82
  5. Step 5: Solve for x
    x = 209,308,206.82/20,093.04
  6. Step 6: Final answer
    x = 10,416.95

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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.