Home / 13,754.23-18,991.73-8,977.46

Finding the Fourth Proportional to 13,754.23, 18,991.73 and 8,977.46

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Solution

The fourth proportional to 13,754.23, 18,991.73 and 8,977.46 is: 12,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.23 : 18,991.73 = 8,977.46 : x
  2. Step 2: Convert to fraction form
    13,754.23/18,991.73 = 8,977.46/x
  3. Step 3: Cross multiply
    13,754.23x = 18,991.73 × 8,977.46
  4. Step 4: Simplify right side
    13,754.23x = 170,497,423.89
  5. Step 5: Solve for x
    x = 170,497,423.89/13,754.23
  6. Step 6: Final answer
    x = 12,396.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.