Home / 20,225.72-30,339.63-6,187.88

Finding the Fourth Proportional to 20,225.72, 30,339.63 and 6,187.88

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Solution

The fourth proportional to 20,225.72, 30,339.63 and 6,187.88 is: 9,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.72 : 30,339.63 = 6,187.88 : x
  2. Step 2: Convert to fraction form
    20,225.72/30,339.63 = 6,187.88/x
  3. Step 3: Cross multiply
    20,225.72x = 30,339.63 × 6,187.88
  4. Step 4: Simplify right side
    20,225.72x = 187,738,065.53
  5. Step 5: Solve for x
    x = 187,738,065.53/20,225.72
  6. Step 6: Final answer
    x = 9,282.14

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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.