Home / 10,451.76-15,677.46-4,211.62

Finding the Fourth Proportional to 10,451.76, 15,677.46 and 4,211.62

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Solution

The fourth proportional to 10,451.76, 15,677.46 and 4,211.62 is: 6,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,451.76 : 15,677.46 = 4,211.62 : x
  2. Step 2: Convert to fraction form
    10,451.76/15,677.46 = 4,211.62/x
  3. Step 3: Cross multiply
    10,451.76x = 15,677.46 × 4,211.62
  4. Step 4: Simplify right side
    10,451.76x = 66,027,464.89
  5. Step 5: Solve for x
    x = 66,027,464.89/10,451.76
  6. Step 6: Final answer
    x = 6,317.35

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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.