Home / 14,260.56-21,400.16-6,469.44

Finding the Fourth Proportional to 14,260.56, 21,400.16 and 6,469.44

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Solution

The fourth proportional to 14,260.56, 21,400.16 and 6,469.44 is: 9,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.56 : 21,400.16 = 6,469.44 : x
  2. Step 2: Convert to fraction form
    14,260.56/21,400.16 = 6,469.44/x
  3. Step 3: Cross multiply
    14,260.56x = 21,400.16 × 6,469.44
  4. Step 4: Simplify right side
    14,260.56x = 138,447,018.76
  5. Step 5: Solve for x
    x = 138,447,018.76/14,260.56
  6. Step 6: Final answer
    x = 9,708.39

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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.