Home / 11,318.90-16,945.50-6,922.94

Finding the Fourth Proportional to 11,318.90, 16,945.50 and 6,922.94

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Solution

The fourth proportional to 11,318.90, 16,945.50 and 6,922.94 is: 10,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.90 : 16,945.50 = 6,922.94 : x
  2. Step 2: Convert to fraction form
    11,318.90/16,945.50 = 6,922.94/x
  3. Step 3: Cross multiply
    11,318.90x = 16,945.50 × 6,922.94
  4. Step 4: Simplify right side
    11,318.90x = 117,312,679.77
  5. Step 5: Solve for x
    x = 117,312,679.77/11,318.90
  6. Step 6: Final answer
    x = 10,364.32

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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.