Home / 15,977.05-23,967.60-8,571.36

Finding the Fourth Proportional to 15,977.05, 23,967.60 and 8,571.36

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Solution

The fourth proportional to 15,977.05, 23,967.60 and 8,571.36 is: 12,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.05 : 23,967.60 = 8,571.36 : x
  2. Step 2: Convert to fraction form
    15,977.05/23,967.60 = 8,571.36/x
  3. Step 3: Cross multiply
    15,977.05x = 23,967.60 × 8,571.36
  4. Step 4: Simplify right side
    15,977.05x = 205,434,927.94
  5. Step 5: Solve for x
    x = 205,434,927.94/15,977.05
  6. Step 6: Final answer
    x = 12,858.13

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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.