Home / 14,134.58-21,205.32-9,982.70

Finding the Fourth Proportional to 14,134.58, 21,205.32 and 9,982.70

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Solution

The fourth proportional to 14,134.58, 21,205.32 and 9,982.70 is: 14,976.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.58 : 21,205.32 = 9,982.70 : x
  2. Step 2: Convert to fraction form
    14,134.58/21,205.32 = 9,982.70/x
  3. Step 3: Cross multiply
    14,134.58x = 21,205.32 × 9,982.70
  4. Step 4: Simplify right side
    14,134.58x = 211,686,347.96
  5. Step 5: Solve for x
    x = 211,686,347.96/14,134.58
  6. Step 6: Final answer
    x = 14,976.49

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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.