Home / 10,692.12-14,755.16-6,215.96

Finding the Fourth Proportional to 10,692.12, 14,755.16 and 6,215.96

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Solution

The fourth proportional to 10,692.12, 14,755.16 and 6,215.96 is: 8,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.12 : 14,755.16 = 6,215.96 : x
  2. Step 2: Convert to fraction form
    10,692.12/14,755.16 = 6,215.96/x
  3. Step 3: Cross multiply
    10,692.12x = 14,755.16 × 6,215.96
  4. Step 4: Simplify right side
    10,692.12x = 91,717,484.35
  5. Step 5: Solve for x
    x = 91,717,484.35/10,692.12
  6. Step 6: Final answer
    x = 8,578.04

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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.