Home / 15,359.57-21,195.82-10,054.27

Finding the Fourth Proportional to 15,359.57, 21,195.82 and 10,054.27

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Solution

The fourth proportional to 15,359.57, 21,195.82 and 10,054.27 is: 13,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.57 : 21,195.82 = 10,054.27 : x
  2. Step 2: Convert to fraction form
    15,359.57/21,195.82 = 10,054.27/x
  3. Step 3: Cross multiply
    15,359.57x = 21,195.82 × 10,054.27
  4. Step 4: Simplify right side
    15,359.57x = 213,108,497.15
  5. Step 5: Solve for x
    x = 213,108,497.15/15,359.57
  6. Step 6: Final answer
    x = 13,874.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.