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Finding the Fourth Proportional to 19,692.59, 29,527.94 and 6,537.78

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Solution

The fourth proportional to 19,692.59, 29,527.94 and 6,537.78 is: 9,803.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.59 : 29,527.94 = 6,537.78 : x
  2. Step 2: Convert to fraction form
    19,692.59/29,527.94 = 6,537.78/x
  3. Step 3: Cross multiply
    19,692.59x = 29,527.94 × 6,537.78
  4. Step 4: Simplify right side
    19,692.59x = 193,047,191.92
  5. Step 5: Solve for x
    x = 193,047,191.92/19,692.59
  6. Step 6: Final answer
    x = 9,803.04

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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.