Home / 13,161.51-19,742.40-4,396.41

Finding the Fourth Proportional to 13,161.51, 19,742.40 and 4,396.41

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Solution

The fourth proportional to 13,161.51, 19,742.40 and 4,396.41 is: 6,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.51 : 19,742.40 = 4,396.41 : x
  2. Step 2: Convert to fraction form
    13,161.51/19,742.40 = 4,396.41/x
  3. Step 3: Cross multiply
    13,161.51x = 19,742.40 × 4,396.41
  4. Step 4: Simplify right side
    13,161.51x = 86,795,684.78
  5. Step 5: Solve for x
    x = 86,795,684.78/13,161.51
  6. Step 6: Final answer
    x = 6,594.66

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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.