Home / 10,890.84-16,336.24-7,610.34

Finding the Fourth Proportional to 10,890.84, 16,336.24 and 7,610.34

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Solution

The fourth proportional to 10,890.84, 16,336.24 and 7,610.34 is: 11,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.84 : 16,336.24 = 7,610.34 : x
  2. Step 2: Convert to fraction form
    10,890.84/16,336.24 = 7,610.34/x
  3. Step 3: Cross multiply
    10,890.84x = 16,336.24 × 7,610.34
  4. Step 4: Simplify right side
    10,890.84x = 124,324,340.72
  5. Step 5: Solve for x
    x = 124,324,340.72/10,890.84
  6. Step 6: Final answer
    x = 11,415.50

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1.5x scale

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.