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Finding the Fourth Proportional to 13,237, 18,270.36 and 7,651.24

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Solution

The fourth proportional to 13,237, 18,270.36 and 7,651.24 is: 10,560.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237 : 18,270.36 = 7,651.24 : x
  2. Step 2: Convert to fraction form
    13,237/18,270.36 = 7,651.24/x
  3. Step 3: Cross multiply
    13,237x = 18,270.36 × 7,651.24
  4. Step 4: Simplify right side
    13,237x = 139,790,909.25
  5. Step 5: Solve for x
    x = 139,790,909.25/13,237
  6. Step 6: Final answer
    x = 10,560.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.