Home / 13,261.86-19,891.41-4,496.55

Finding the Fourth Proportional to 13,261.86, 19,891.41 and 4,496.55

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Solution

The fourth proportional to 13,261.86, 19,891.41 and 4,496.55 is: 6,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.86 : 19,891.41 = 4,496.55 : x
  2. Step 2: Convert to fraction form
    13,261.86/19,891.41 = 4,496.55/x
  3. Step 3: Cross multiply
    13,261.86x = 19,891.41 × 4,496.55
  4. Step 4: Simplify right side
    13,261.86x = 89,442,719.64
  5. Step 5: Solve for x
    x = 89,442,719.64/13,261.86
  6. Step 6: Final answer
    x = 6,744.36

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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.