Home / 9,692.09-13,377.65-5,715.85

Finding the Fourth Proportional to 9,692.09, 13,377.65 and 5,715.85

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Solution

The fourth proportional to 9,692.09, 13,377.65 and 5,715.85 is: 7,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692.09 : 13,377.65 = 5,715.85 : x
  2. Step 2: Convert to fraction form
    9,692.09/13,377.65 = 5,715.85/x
  3. Step 3: Cross multiply
    9,692.09x = 13,377.65 × 5,715.85
  4. Step 4: Simplify right side
    9,692.09x = 76,464,640.75
  5. Step 5: Solve for x
    x = 76,464,640.75/9,692.09
  6. Step 6: Final answer
    x = 7,889.39

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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.