Home / 11,771.49-17,664.53-10,561.35

Finding the Fourth Proportional to 11,771.49, 17,664.53 and 10,561.35

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Solution

The fourth proportional to 11,771.49, 17,664.53 and 10,561.35 is: 15,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771.49 : 17,664.53 = 10,561.35 : x
  2. Step 2: Convert to fraction form
    11,771.49/17,664.53 = 10,561.35/x
  3. Step 3: Cross multiply
    11,771.49x = 17,664.53 × 10,561.35
  4. Step 4: Simplify right side
    11,771.49x = 186,561,231.11
  5. Step 5: Solve for x
    x = 186,561,231.11/11,771.49
  6. Step 6: Final answer
    x = 15,848.57

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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.