Home / 20,215.06-30,326.62-6,177.08

Finding the Fourth Proportional to 20,215.06, 30,326.62 and 6,177.08

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Solution

The fourth proportional to 20,215.06, 30,326.62 and 6,177.08 is: 9,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215.06 : 30,326.62 = 6,177.08 : x
  2. Step 2: Convert to fraction form
    20,215.06/30,326.62 = 6,177.08/x
  3. Step 3: Cross multiply
    20,215.06x = 30,326.62 × 6,177.08
  4. Step 4: Simplify right side
    20,215.06x = 187,329,931.35
  5. Step 5: Solve for x
    x = 187,329,931.35/20,215.06
  6. Step 6: Final answer
    x = 9,266.85

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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.