Home / 14,215.59-19,618.43-8,249.26

Finding the Fourth Proportional to 14,215.59, 19,618.43 and 8,249.26

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Solution

The fourth proportional to 14,215.59, 19,618.43 and 8,249.26 is: 11,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.59 : 19,618.43 = 8,249.26 : x
  2. Step 2: Convert to fraction form
    14,215.59/19,618.43 = 8,249.26/x
  3. Step 3: Cross multiply
    14,215.59x = 19,618.43 × 8,249.26
  4. Step 4: Simplify right side
    14,215.59x = 161,837,529.86
  5. Step 5: Solve for x
    x = 161,837,529.86/14,215.59
  6. Step 6: Final answer
    x = 11,384.51

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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.