Home / 15,980.19-23,971.44-6,487.95

Finding the Fourth Proportional to 15,980.19, 23,971.44 and 6,487.95

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Solution

The fourth proportional to 15,980.19, 23,971.44 and 6,487.95 is: 9,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.19 : 23,971.44 = 6,487.95 : x
  2. Step 2: Convert to fraction form
    15,980.19/23,971.44 = 6,487.95/x
  3. Step 3: Cross multiply
    15,980.19x = 23,971.44 × 6,487.95
  4. Step 4: Simplify right side
    15,980.19x = 155,525,504.15
  5. Step 5: Solve for x
    x = 155,525,504.15/15,980.19
  6. Step 6: Final answer
    x = 9,732.39

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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.