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Finding the Fourth Proportional to 13,244.77, 18,277.41 and 7,579.77

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Solution

The fourth proportional to 13,244.77, 18,277.41 and 7,579.77 is: 10,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.77 : 18,277.41 = 7,579.77 : x
  2. Step 2: Convert to fraction form
    13,244.77/18,277.41 = 7,579.77/x
  3. Step 3: Cross multiply
    13,244.77x = 18,277.41 × 7,579.77
  4. Step 4: Simplify right side
    13,244.77x = 138,538,564.00
  5. Step 5: Solve for x
    x = 138,538,564.00/13,244.77
  6. Step 6: Final answer
    x = 10,459.87

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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.