Home / 13,504.72-20,256.36-4,270

Finding the Fourth Proportional to 13,504.72, 20,256.36 and 4,270

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Solution

The fourth proportional to 13,504.72, 20,256.36 and 4,270 is: 6,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.72 : 20,256.36 = 4,270 : x
  2. Step 2: Convert to fraction form
    13,504.72/20,256.36 = 4,270/x
  3. Step 3: Cross multiply
    13,504.72x = 20,256.36 × 4,270
  4. Step 4: Simplify right side
    13,504.72x = 86,494,657.20
  5. Step 5: Solve for x
    x = 86,494,657.20/13,504.72
  6. Step 6: Final answer
    x = 6,404.77

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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.