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Finding the Fourth Proportional to 11,343, 15,651.05 and 6,626.37

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Solution

The fourth proportional to 11,343, 15,651.05 and 6,626.37 is: 9,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343 : 15,651.05 = 6,626.37 : x
  2. Step 2: Convert to fraction form
    11,343/15,651.05 = 6,626.37/x
  3. Step 3: Cross multiply
    11,343x = 15,651.05 × 6,626.37
  4. Step 4: Simplify right side
    11,343x = 103,709,615.06
  5. Step 5: Solve for x
    x = 103,709,615.06/11,343
  6. Step 6: Final answer
    x = 9,143.05

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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.