Home / 11,938.64-16,475.20-6,633.34

Finding the Fourth Proportional to 11,938.64, 16,475.20 and 6,633.34

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Solution

The fourth proportional to 11,938.64, 16,475.20 and 6,633.34 is: 9,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.64 : 16,475.20 = 6,633.34 : x
  2. Step 2: Convert to fraction form
    11,938.64/16,475.20 = 6,633.34/x
  3. Step 3: Cross multiply
    11,938.64x = 16,475.20 × 6,633.34
  4. Step 4: Simplify right side
    11,938.64x = 109,285,545.40
  5. Step 5: Solve for x
    x = 109,285,545.40/11,938.64
  6. Step 6: Final answer
    x = 9,153.94

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1.5x scale

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.