Home / 15,238.91-22,858.21-4,145.43

Finding the Fourth Proportional to 15,238.91, 22,858.21 and 4,145.43

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Solution

The fourth proportional to 15,238.91, 22,858.21 and 4,145.43 is: 6,218.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.91 : 22,858.21 = 4,145.43 : x
  2. Step 2: Convert to fraction form
    15,238.91/22,858.21 = 4,145.43/x
  3. Step 3: Cross multiply
    15,238.91x = 22,858.21 × 4,145.43
  4. Step 4: Simplify right side
    15,238.91x = 94,757,077.63
  5. Step 5: Solve for x
    x = 94,757,077.63/15,238.91
  6. Step 6: Final answer
    x = 6,218.10

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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.