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Finding the Fourth Proportional to 14,692.79, 22,039.12 and 5,332.79

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Solution

The fourth proportional to 14,692.79, 22,039.12 and 5,332.79 is: 7,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.79 : 22,039.12 = 5,332.79 : x
  2. Step 2: Convert to fraction form
    14,692.79/22,039.12 = 5,332.79/x
  3. Step 3: Cross multiply
    14,692.79x = 22,039.12 × 5,332.79
  4. Step 4: Simplify right side
    14,692.79x = 117,529,936.54
  5. Step 5: Solve for x
    x = 117,529,936.54/14,692.79
  6. Step 6: Final answer
    x = 7,999.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.