Home / 19,692.40-29,527.70-13,459.44

Finding the Fourth Proportional to 19,692.40, 29,527.70 and 13,459.44

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Solution

The fourth proportional to 19,692.40, 29,527.70 and 13,459.44 is: 20,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,692.40 : 29,527.70 = 13,459.44 : x
  2. Step 2: Convert to fraction form
    19,692.40/29,527.70 = 13,459.44/x
  3. Step 3: Cross multiply
    19,692.40x = 29,527.70 × 13,459.44
  4. Step 4: Simplify right side
    19,692.40x = 397,426,306.49
  5. Step 5: Solve for x
    x = 397,426,306.49/19,692.40
  6. Step 6: Final answer
    x = 20,181.71

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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.