Home / 15,364.54-21,201.44-8,650.05

Finding the Fourth Proportional to 15,364.54, 21,201.44 and 8,650.05

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Solution

The fourth proportional to 15,364.54, 21,201.44 and 8,650.05 is: 11,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.54 : 21,201.44 = 8,650.05 : x
  2. Step 2: Convert to fraction form
    15,364.54/21,201.44 = 8,650.05/x
  3. Step 3: Cross multiply
    15,364.54x = 21,201.44 × 8,650.05
  4. Step 4: Simplify right side
    15,364.54x = 183,393,516.07
  5. Step 5: Solve for x
    x = 183,393,516.07/15,364.54
  6. Step 6: Final answer
    x = 11,936.15

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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.