Home / 10,692.09-14,756.11-6,215.45

Finding the Fourth Proportional to 10,692.09, 14,756.11 and 6,215.45

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Solution

The fourth proportional to 10,692.09, 14,756.11 and 6,215.45 is: 8,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.09 : 14,756.11 = 6,215.45 : x
  2. Step 2: Convert to fraction form
    10,692.09/14,756.11 = 6,215.45/x
  3. Step 3: Cross multiply
    10,692.09x = 14,756.11 × 6,215.45
  4. Step 4: Simplify right side
    10,692.09x = 91,715,832.82
  5. Step 5: Solve for x
    x = 91,715,832.82/10,692.09
  6. Step 6: Final answer
    x = 8,577.91

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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.