Home / 10,647.10-14,692.92-6,170.78

Finding the Fourth Proportional to 10,647.10, 14,692.92 and 6,170.78

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Solution

The fourth proportional to 10,647.10, 14,692.92 and 6,170.78 is: 8,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.10 : 14,692.92 = 6,170.78 : x
  2. Step 2: Convert to fraction form
    10,647.10/14,692.92 = 6,170.78/x
  3. Step 3: Cross multiply
    10,647.10x = 14,692.92 × 6,170.78
  4. Step 4: Simplify right side
    10,647.10x = 90,666,776.88
  5. Step 5: Solve for x
    x = 90,666,776.88/10,647.10
  6. Step 6: Final answer
    x = 8,515.63

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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.