Home / 10,649.30-14,692.91-6,874.70

Finding the Fourth Proportional to 10,649.30, 14,692.91 and 6,874.70

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Solution

The fourth proportional to 10,649.30, 14,692.91 and 6,874.70 is: 9,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.30 : 14,692.91 = 6,874.70 : x
  2. Step 2: Convert to fraction form
    10,649.30/14,692.91 = 6,874.70/x
  3. Step 3: Cross multiply
    10,649.30x = 14,692.91 × 6,874.70
  4. Step 4: Simplify right side
    10,649.30x = 101,009,240.54
  5. Step 5: Solve for x
    x = 101,009,240.54/10,649.30
  6. Step 6: Final answer
    x = 9,485.06

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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.