Home / 11,739.88-16,172.10-10,055.80

Finding the Fourth Proportional to 11,739.88, 16,172.10 and 10,055.80

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Solution

The fourth proportional to 11,739.88, 16,172.10 and 10,055.80 is: 13,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.88 : 16,172.10 = 10,055.80 : x
  2. Step 2: Convert to fraction form
    11,739.88/16,172.10 = 10,055.80/x
  3. Step 3: Cross multiply
    11,739.88x = 16,172.10 × 10,055.80
  4. Step 4: Simplify right side
    11,739.88x = 162,623,403.18
  5. Step 5: Solve for x
    x = 162,623,403.18/11,739.88
  6. Step 6: Final answer
    x = 13,852.22

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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.