Home / 13,175.77-18,184.22-8,642.26

Finding the Fourth Proportional to 13,175.77, 18,184.22 and 8,642.26

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Solution

The fourth proportional to 13,175.77, 18,184.22 and 8,642.26 is: 11,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.77 : 18,184.22 = 8,642.26 : x
  2. Step 2: Convert to fraction form
    13,175.77/18,184.22 = 8,642.26/x
  3. Step 3: Cross multiply
    13,175.77x = 18,184.22 × 8,642.26
  4. Step 4: Simplify right side
    13,175.77x = 157,152,757.14
  5. Step 5: Solve for x
    x = 157,152,757.14/13,175.77
  6. Step 6: Final answer
    x = 11,927.41

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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.