Home / 20,309.06-30,460.44-7,834.93

Finding the Fourth Proportional to 20,309.06, 30,460.44 and 7,834.93

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Solution

The fourth proportional to 20,309.06, 30,460.44 and 7,834.93 is: 11,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.06 : 30,460.44 = 7,834.93 : x
  2. Step 2: Convert to fraction form
    20,309.06/30,460.44 = 7,834.93/x
  3. Step 3: Cross multiply
    20,309.06x = 30,460.44 × 7,834.93
  4. Step 4: Simplify right side
    20,309.06x = 238,655,262.87
  5. Step 5: Solve for x
    x = 238,655,262.87/20,309.06
  6. Step 6: Final answer
    x = 11,751.17

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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.