Home / 13,631.09-20,446.63-5,845.37

Finding the Fourth Proportional to 13,631.09, 20,446.63 and 5,845.37

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Solution

The fourth proportional to 13,631.09, 20,446.63 and 5,845.37 is: 8,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631.09 : 20,446.63 = 5,845.37 : x
  2. Step 2: Convert to fraction form
    13,631.09/20,446.63 = 5,845.37/x
  3. Step 3: Cross multiply
    13,631.09x = 20,446.63 × 5,845.37
  4. Step 4: Simplify right side
    13,631.09x = 119,518,000.76
  5. Step 5: Solve for x
    x = 119,518,000.76/13,631.09
  6. Step 6: Final answer
    x = 8,768.05

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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.