Home / 13,002.35-19,504.47-4,236.89

Finding the Fourth Proportional to 13,002.35, 19,504.47 and 4,236.89

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Solution

The fourth proportional to 13,002.35, 19,504.47 and 4,236.89 is: 6,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.35 : 19,504.47 = 4,236.89 : x
  2. Step 2: Convert to fraction form
    13,002.35/19,504.47 = 4,236.89/x
  3. Step 3: Cross multiply
    13,002.35x = 19,504.47 × 4,236.89
  4. Step 4: Simplify right side
    13,002.35x = 82,638,293.90
  5. Step 5: Solve for x
    x = 82,638,293.90/13,002.35
  6. Step 6: Final answer
    x = 6,355.64

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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.