Home / 13,018.57-19,527.85-3,157.76

Finding the Fourth Proportional to 13,018.57, 19,527.85 and 3,157.76

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Solution

The fourth proportional to 13,018.57, 19,527.85 and 3,157.76 is: 4,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.57 : 19,527.85 = 3,157.76 : x
  2. Step 2: Convert to fraction form
    13,018.57/19,527.85 = 3,157.76/x
  3. Step 3: Cross multiply
    13,018.57x = 19,527.85 × 3,157.76
  4. Step 4: Simplify right side
    13,018.57x = 61,664,263.62
  5. Step 5: Solve for x
    x = 61,664,263.62/13,018.57
  6. Step 6: Final answer
    x = 4,736.64

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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.