Home / 20,158.62-30,234.69-6,307.62

Finding the Fourth Proportional to 20,158.62, 30,234.69 and 6,307.62

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Solution

The fourth proportional to 20,158.62, 30,234.69 and 6,307.62 is: 9,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.62 : 30,234.69 = 6,307.62 : x
  2. Step 2: Convert to fraction form
    20,158.62/30,234.69 = 6,307.62/x
  3. Step 3: Cross multiply
    20,158.62x = 30,234.69 × 6,307.62
  4. Step 4: Simplify right side
    20,158.62x = 190,708,935.34
  5. Step 5: Solve for x
    x = 190,708,935.34/20,158.62
  6. Step 6: Final answer
    x = 9,460.42

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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.