Home / 13,701.63-18,891.04-11,181.18

Finding the Fourth Proportional to 13,701.63, 18,891.04 and 11,181.18

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Solution

The fourth proportional to 13,701.63, 18,891.04 and 11,181.18 is: 15,415.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.63 : 18,891.04 = 11,181.18 : x
  2. Step 2: Convert to fraction form
    13,701.63/18,891.04 = 11,181.18/x
  3. Step 3: Cross multiply
    13,701.63x = 18,891.04 × 11,181.18
  4. Step 4: Simplify right side
    13,701.63x = 211,224,118.63
  5. Step 5: Solve for x
    x = 211,224,118.63/13,701.63
  6. Step 6: Final answer
    x = 15,415.98

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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.