Home / 14,270.88-19,692.63-8,220.81

Finding the Fourth Proportional to 14,270.88, 19,692.63 and 8,220.81

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Solution

The fourth proportional to 14,270.88, 19,692.63 and 8,220.81 is: 11,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.88 : 19,692.63 = 8,220.81 : x
  2. Step 2: Convert to fraction form
    14,270.88/19,692.63 = 8,220.81/x
  3. Step 3: Cross multiply
    14,270.88x = 19,692.63 × 8,220.81
  4. Step 4: Simplify right side
    14,270.88x = 161,889,369.63
  5. Step 5: Solve for x
    x = 161,889,369.63/14,270.88
  6. Step 6: Final answer
    x = 11,344.04

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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.