Home / 10,640.26-14,692.17-6,865.30

Finding the Fourth Proportional to 10,640.26, 14,692.17 and 6,865.30

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Solution

The fourth proportional to 10,640.26, 14,692.17 and 6,865.30 is: 9,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.26 : 14,692.17 = 6,865.30 : x
  2. Step 2: Convert to fraction form
    10,640.26/14,692.17 = 6,865.30/x
  3. Step 3: Cross multiply
    10,640.26x = 14,692.17 × 6,865.30
  4. Step 4: Simplify right side
    10,640.26x = 100,866,154.70
  5. Step 5: Solve for x
    x = 100,866,154.70/10,640.26
  6. Step 6: Final answer
    x = 9,479.67

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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.