Home / 11,234.48-16,870.51-10,787.49

Finding the Fourth Proportional to 11,234.48, 16,870.51 and 10,787.49

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Solution

The fourth proportional to 11,234.48, 16,870.51 and 10,787.49 is: 16,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.48 : 16,870.51 = 10,787.49 : x
  2. Step 2: Convert to fraction form
    11,234.48/16,870.51 = 10,787.49/x
  3. Step 3: Cross multiply
    11,234.48x = 16,870.51 × 10,787.49
  4. Step 4: Simplify right side
    11,234.48x = 181,990,457.92
  5. Step 5: Solve for x
    x = 181,990,457.92/11,234.48
  6. Step 6: Final answer
    x = 16,199.28

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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.