Home / 20,713.07-31,060.35-7,556.22

Finding the Fourth Proportional to 20,713.07, 31,060.35 and 7,556.22

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Solution

The fourth proportional to 20,713.07, 31,060.35 and 7,556.22 is: 11,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.07 : 31,060.35 = 7,556.22 : x
  2. Step 2: Convert to fraction form
    20,713.07/31,060.35 = 7,556.22/x
  3. Step 3: Cross multiply
    20,713.07x = 31,060.35 × 7,556.22
  4. Step 4: Simplify right side
    20,713.07x = 234,698,837.88
  5. Step 5: Solve for x
    x = 234,698,837.88/20,713.07
  6. Step 6: Final answer
    x = 11,330.95

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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.