Home / 10,930.58-16,389.87-4,688.66

Finding the Fourth Proportional to 10,930.58, 16,389.87 and 4,688.66

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Solution

The fourth proportional to 10,930.58, 16,389.87 and 4,688.66 is: 7,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.58 : 16,389.87 = 4,688.66 : x
  2. Step 2: Convert to fraction form
    10,930.58/16,389.87 = 4,688.66/x
  3. Step 3: Cross multiply
    10,930.58x = 16,389.87 × 4,688.66
  4. Step 4: Simplify right side
    10,930.58x = 76,846,527.87
  5. Step 5: Solve for x
    x = 76,846,527.87/10,930.58
  6. Step 6: Final answer
    x = 7,030.42

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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.