Home / 20,197.72-30,301.19-6,159.01

Finding the Fourth Proportional to 20,197.72, 30,301.19 and 6,159.01

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Solution

The fourth proportional to 20,197.72, 30,301.19 and 6,159.01 is: 9,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.72 : 30,301.19 = 6,159.01 : x
  2. Step 2: Convert to fraction form
    20,197.72/30,301.19 = 6,159.01/x
  3. Step 3: Cross multiply
    20,197.72x = 30,301.19 × 6,159.01
  4. Step 4: Simplify right side
    20,197.72x = 186,625,332.22
  5. Step 5: Solve for x
    x = 186,625,332.22/20,197.72
  6. Step 6: Final answer
    x = 9,239.92

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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.