Home / 13,244.72-18,276.64-7,276.18

Finding the Fourth Proportional to 13,244.72, 18,276.64 and 7,276.18

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Solution

The fourth proportional to 13,244.72, 18,276.64 and 7,276.18 is: 10,040.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.72 : 18,276.64 = 7,276.18 : x
  2. Step 2: Convert to fraction form
    13,244.72/18,276.64 = 7,276.18/x
  3. Step 3: Cross multiply
    13,244.72x = 18,276.64 × 7,276.18
  4. Step 4: Simplify right side
    13,244.72x = 132,984,092.82
  5. Step 5: Solve for x
    x = 132,984,092.82/13,244.72
  6. Step 6: Final answer
    x = 10,040.54

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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.