Home / 13,529.58-20,296.89-4,770.06

Finding the Fourth Proportional to 13,529.58, 20,296.89 and 4,770.06

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Solution

The fourth proportional to 13,529.58, 20,296.89 and 4,770.06 is: 7,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.58 : 20,296.89 = 4,770.06 : x
  2. Step 2: Convert to fraction form
    13,529.58/20,296.89 = 4,770.06/x
  3. Step 3: Cross multiply
    13,529.58x = 20,296.89 × 4,770.06
  4. Step 4: Simplify right side
    13,529.58x = 96,817,383.11
  5. Step 5: Solve for x
    x = 96,817,383.11/13,529.58
  6. Step 6: Final answer
    x = 7,155.98

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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.