Home / 14,160.32-21,240.59-4,299.72

Finding the Fourth Proportional to 14,160.32, 21,240.59 and 4,299.72

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Solution

The fourth proportional to 14,160.32, 21,240.59 and 4,299.72 is: 6,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.32 : 21,240.59 = 4,299.72 : x
  2. Step 2: Convert to fraction form
    14,160.32/21,240.59 = 4,299.72/x
  3. Step 3: Cross multiply
    14,160.32x = 21,240.59 × 4,299.72
  4. Step 4: Simplify right side
    14,160.32x = 91,328,568.14
  5. Step 5: Solve for x
    x = 91,328,568.14/14,160.32
  6. Step 6: Final answer
    x = 6,449.61

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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.