Home / 11,505.19-17,242.80-5,256.04

Finding the Fourth Proportional to 11,505.19, 17,242.80 and 5,256.04

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Solution

The fourth proportional to 11,505.19, 17,242.80 and 5,256.04 is: 7,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.19 : 17,242.80 = 5,256.04 : x
  2. Step 2: Convert to fraction form
    11,505.19/17,242.80 = 5,256.04/x
  3. Step 3: Cross multiply
    11,505.19x = 17,242.80 × 5,256.04
  4. Step 4: Simplify right side
    11,505.19x = 90,628,846.51
  5. Step 5: Solve for x
    x = 90,628,846.51/11,505.19
  6. Step 6: Final answer
    x = 7,877.21

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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.