Home / 15,991.18-23,988.66-6,630.03

Finding the Fourth Proportional to 15,991.18, 23,988.66 and 6,630.03

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Solution

The fourth proportional to 15,991.18, 23,988.66 and 6,630.03 is: 9,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,991.18 : 23,988.66 = 6,630.03 : x
  2. Step 2: Convert to fraction form
    15,991.18/23,988.66 = 6,630.03/x
  3. Step 3: Cross multiply
    15,991.18x = 23,988.66 × 6,630.03
  4. Step 4: Simplify right side
    15,991.18x = 159,045,443.13
  5. Step 5: Solve for x
    x = 159,045,443.13/15,991.18
  6. Step 6: Final answer
    x = 9,945.82

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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.