Home / 10,859.46-14,986.31-6,144

Finding the Fourth Proportional to 10,859.46, 14,986.31 and 6,144

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Solution

The fourth proportional to 10,859.46, 14,986.31 and 6,144 is: 8,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.46 : 14,986.31 = 6,144 : x
  2. Step 2: Convert to fraction form
    10,859.46/14,986.31 = 6,144/x
  3. Step 3: Cross multiply
    10,859.46x = 14,986.31 × 6,144
  4. Step 4: Simplify right side
    10,859.46x = 92,075,857.92
  5. Step 5: Solve for x
    x = 92,075,857.92/10,859.46
  6. Step 6: Final answer
    x = 8,478.86

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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.