Home / 13,859.06-19,118.97-10,080.59

Finding the Fourth Proportional to 13,859.06, 19,118.97 and 10,080.59

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Solution

The fourth proportional to 13,859.06, 19,118.97 and 10,080.59 is: 13,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.06 : 19,118.97 = 10,080.59 : x
  2. Step 2: Convert to fraction form
    13,859.06/19,118.97 = 10,080.59/x
  3. Step 3: Cross multiply
    13,859.06x = 19,118.97 × 10,080.59
  4. Step 4: Simplify right side
    13,859.06x = 192,730,402.20
  5. Step 5: Solve for x
    x = 192,730,402.20/13,859.06
  6. Step 6: Final answer
    x = 13,906.46

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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.