Home / 10,718.30-14,787.68-6,238.46

Finding the Fourth Proportional to 10,718.30, 14,787.68 and 6,238.46

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Solution

The fourth proportional to 10,718.30, 14,787.68 and 6,238.46 is: 8,606.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.30 : 14,787.68 = 6,238.46 : x
  2. Step 2: Convert to fraction form
    10,718.30/14,787.68 = 6,238.46/x
  3. Step 3: Cross multiply
    10,718.30x = 14,787.68 × 6,238.46
  4. Step 4: Simplify right side
    10,718.30x = 92,252,350.17
  5. Step 5: Solve for x
    x = 92,252,350.17/10,718.30
  6. Step 6: Final answer
    x = 8,606.99

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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.