Home / 20,203.43-30,305.14-7,055.91

Finding the Fourth Proportional to 20,203.43, 30,305.14 and 7,055.91

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Solution

The fourth proportional to 20,203.43, 30,305.14 and 7,055.91 is: 10,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.43 : 30,305.14 = 7,055.91 : x
  2. Step 2: Convert to fraction form
    20,203.43/30,305.14 = 7,055.91/x
  3. Step 3: Cross multiply
    20,203.43x = 30,305.14 × 7,055.91
  4. Step 4: Simplify right side
    20,203.43x = 213,830,322.74
  5. Step 5: Solve for x
    x = 213,830,322.74/20,203.43
  6. Step 6: Final answer
    x = 10,583.87

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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.