Home / 14,211.32-21,318.19-5,441.45

Finding the Fourth Proportional to 14,211.32, 21,318.19 and 5,441.45

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Solution

The fourth proportional to 14,211.32, 21,318.19 and 5,441.45 is: 8,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.32 : 21,318.19 = 5,441.45 : x
  2. Step 2: Convert to fraction form
    14,211.32/21,318.19 = 5,441.45/x
  3. Step 3: Cross multiply
    14,211.32x = 21,318.19 × 5,441.45
  4. Step 4: Simplify right side
    14,211.32x = 116,001,744.78
  5. Step 5: Solve for x
    x = 116,001,744.78/14,211.32
  6. Step 6: Final answer
    x = 8,162.63

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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.