Home / 17,290.56-23,839.14-11,312.76

Finding the Fourth Proportional to 17,290.56, 23,839.14 and 11,312.76

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Solution

The fourth proportional to 17,290.56, 23,839.14 and 11,312.76 is: 15,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,290.56 : 23,839.14 = 11,312.76 : x
  2. Step 2: Convert to fraction form
    17,290.56/23,839.14 = 11,312.76/x
  3. Step 3: Cross multiply
    17,290.56x = 23,839.14 × 11,312.76
  4. Step 4: Simplify right side
    17,290.56x = 269,686,469.43
  5. Step 5: Solve for x
    x = 269,686,469.43/17,290.56
  6. Step 6: Final answer
    x = 15,597.32

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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.