Home / 13,111.88-19,637.02-11,401.44

Finding the Fourth Proportional to 13,111.88, 19,637.02 and 11,401.44

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Solution

The fourth proportional to 13,111.88, 19,637.02 and 11,401.44 is: 17,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111.88 : 19,637.02 = 11,401.44 : x
  2. Step 2: Convert to fraction form
    13,111.88/19,637.02 = 11,401.44/x
  3. Step 3: Cross multiply
    13,111.88x = 19,637.02 × 11,401.44
  4. Step 4: Simplify right side
    13,111.88x = 223,890,305.31
  5. Step 5: Solve for x
    x = 223,890,305.31/13,111.88
  6. Step 6: Final answer
    x = 17,075.38

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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.