Home / 11,985.92-17,962.46-7,606.45

Finding the Fourth Proportional to 11,985.92, 17,962.46 and 7,606.45

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Solution

The fourth proportional to 11,985.92, 17,962.46 and 7,606.45 is: 11,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.92 : 17,962.46 = 7,606.45 : x
  2. Step 2: Convert to fraction form
    11,985.92/17,962.46 = 7,606.45/x
  3. Step 3: Cross multiply
    11,985.92x = 17,962.46 × 7,606.45
  4. Step 4: Simplify right side
    11,985.92x = 136,630,566.81
  5. Step 5: Solve for x
    x = 136,630,566.81/11,985.92
  6. Step 6: Final answer
    x = 11,399.26

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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.