Home / 13,529.40-20,296.89-4,770.42

Finding the Fourth Proportional to 13,529.40, 20,296.89 and 4,770.42

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Solution

The fourth proportional to 13,529.40, 20,296.89 and 4,770.42 is: 7,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.40 : 20,296.89 = 4,770.42 : x
  2. Step 2: Convert to fraction form
    13,529.40/20,296.89 = 4,770.42/x
  3. Step 3: Cross multiply
    13,529.40x = 20,296.89 × 4,770.42
  4. Step 4: Simplify right side
    13,529.40x = 96,824,689.99
  5. Step 5: Solve for x
    x = 96,824,689.99/13,529.40
  6. Step 6: Final answer
    x = 7,156.61

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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.