Home / 11,985.36-17,967-5,056.08

Finding the Fourth Proportional to 11,985.36, 17,967 and 5,056.08

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Solution

The fourth proportional to 11,985.36, 17,967 and 5,056.08 is: 7,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.36 : 17,967 = 5,056.08 : x
  2. Step 2: Convert to fraction form
    11,985.36/17,967 = 5,056.08/x
  3. Step 3: Cross multiply
    11,985.36x = 17,967 × 5,056.08
  4. Step 4: Simplify right side
    11,985.36x = 90,842,589.36
  5. Step 5: Solve for x
    x = 90,842,589.36/11,985.36
  6. Step 6: Final answer
    x = 7,579.46

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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.