Home / 9,644.20-14,498.70-8,218.60

Finding the Fourth Proportional to 9,644.20, 14,498.70 and 8,218.60

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Solution

The fourth proportional to 9,644.20, 14,498.70 and 8,218.60 is: 12,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.20 : 14,498.70 = 8,218.60 : x
  2. Step 2: Convert to fraction form
    9,644.20/14,498.70 = 8,218.60/x
  3. Step 3: Cross multiply
    9,644.20x = 14,498.70 × 8,218.60
  4. Step 4: Simplify right side
    9,644.20x = 119,159,015.82
  5. Step 5: Solve for x
    x = 119,159,015.82/9,644.20
  6. Step 6: Final answer
    x = 12,355.51

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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.