Home / 14,150.40-21,211.60-6,257.20

Finding the Fourth Proportional to 14,150.40, 21,211.60 and 6,257.20

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Solution

The fourth proportional to 14,150.40, 21,211.60 and 6,257.20 is: 9,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.40 : 21,211.60 = 6,257.20 : x
  2. Step 2: Convert to fraction form
    14,150.40/21,211.60 = 6,257.20/x
  3. Step 3: Cross multiply
    14,150.40x = 21,211.60 × 6,257.20
  4. Step 4: Simplify right side
    14,150.40x = 132,725,223.52
  5. Step 5: Solve for x
    x = 132,725,223.52/14,150.40
  6. Step 6: Final answer
    x = 9,379.61

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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.