Home / 10,914.78-15,061.50-6,199.77

Finding the Fourth Proportional to 10,914.78, 15,061.50 and 6,199.77

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Solution

The fourth proportional to 10,914.78, 15,061.50 and 6,199.77 is: 8,555.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.78 : 15,061.50 = 6,199.77 : x
  2. Step 2: Convert to fraction form
    10,914.78/15,061.50 = 6,199.77/x
  3. Step 3: Cross multiply
    10,914.78x = 15,061.50 × 6,199.77
  4. Step 4: Simplify right side
    10,914.78x = 93,377,835.86
  5. Step 5: Solve for x
    x = 93,377,835.86/10,914.78
  6. Step 6: Final answer
    x = 8,555.17

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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.