Home / 11,338.79-15,648.05-6,302.85

Finding the Fourth Proportional to 11,338.79, 15,648.05 and 6,302.85

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Solution

The fourth proportional to 11,338.79, 15,648.05 and 6,302.85 is: 8,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.79 : 15,648.05 = 6,302.85 : x
  2. Step 2: Convert to fraction form
    11,338.79/15,648.05 = 6,302.85/x
  3. Step 3: Cross multiply
    11,338.79x = 15,648.05 × 6,302.85
  4. Step 4: Simplify right side
    11,338.79x = 98,627,311.94
  5. Step 5: Solve for x
    x = 98,627,311.94/11,338.79
  6. Step 6: Final answer
    x = 8,698.22

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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.