Home / 14,135.58-21,206.82-9,983.70

Finding the Fourth Proportional to 14,135.58, 21,206.82 and 9,983.70

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Solution

The fourth proportional to 14,135.58, 21,206.82 and 9,983.70 is: 14,977.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.58 : 21,206.82 = 9,983.70 : x
  2. Step 2: Convert to fraction form
    14,135.58/21,206.82 = 9,983.70/x
  3. Step 3: Cross multiply
    14,135.58x = 21,206.82 × 9,983.70
  4. Step 4: Simplify right side
    14,135.58x = 211,722,528.83
  5. Step 5: Solve for x
    x = 211,722,528.83/14,135.58
  6. Step 6: Final answer
    x = 14,977.99

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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.