Home / 14,130.70-21,198.48-5,815.24

Finding the Fourth Proportional to 14,130.70, 21,198.48 and 5,815.24

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Solution

The fourth proportional to 14,130.70, 21,198.48 and 5,815.24 is: 8,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.70 : 21,198.48 = 5,815.24 : x
  2. Step 2: Convert to fraction form
    14,130.70/21,198.48 = 5,815.24/x
  3. Step 3: Cross multiply
    14,130.70x = 21,198.48 × 5,815.24
  4. Step 4: Simplify right side
    14,130.70x = 123,274,248.84
  5. Step 5: Solve for x
    x = 123,274,248.84/14,130.70
  6. Step 6: Final answer
    x = 8,723.86

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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.