Home / 20,228.13-30,346.52-7,080.93

Finding the Fourth Proportional to 20,228.13, 30,346.52 and 7,080.93

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Solution

The fourth proportional to 20,228.13, 30,346.52 and 7,080.93 is: 10,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.13 : 30,346.52 = 7,080.93 : x
  2. Step 2: Convert to fraction form
    20,228.13/30,346.52 = 7,080.93/x
  3. Step 3: Cross multiply
    20,228.13x = 30,346.52 × 7,080.93
  4. Step 4: Simplify right side
    20,228.13x = 214,881,583.86
  5. Step 5: Solve for x
    x = 214,881,583.86/20,228.13
  6. Step 6: Final answer
    x = 10,622.91

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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.