Home / 12,015.36-17,926.56-10,771.20

Finding the Fourth Proportional to 12,015.36, 17,926.56 and 10,771.20

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Solution

The fourth proportional to 12,015.36, 17,926.56 and 10,771.20 is: 16,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.36 : 17,926.56 = 10,771.20 : x
  2. Step 2: Convert to fraction form
    12,015.36/17,926.56 = 10,771.20/x
  3. Step 3: Cross multiply
    12,015.36x = 17,926.56 × 10,771.20
  4. Step 4: Simplify right side
    12,015.36x = 193,090,563.07
  5. Step 5: Solve for x
    x = 193,090,563.07/12,015.36
  6. Step 6: Final answer
    x = 16,070.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.