Home / 23,415.48-35,137.08-8,634.78

Finding the Fourth Proportional to 23,415.48, 35,137.08 and 8,634.78

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Solution

The fourth proportional to 23,415.48, 35,137.08 and 8,634.78 is: 12,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.48 : 35,137.08 = 8,634.78 : x
  2. Step 2: Convert to fraction form
    23,415.48/35,137.08 = 8,634.78/x
  3. Step 3: Cross multiply
    23,415.48x = 35,137.08 × 8,634.78
  4. Step 4: Simplify right side
    23,415.48x = 303,400,955.64
  5. Step 5: Solve for x
    x = 303,400,955.64/23,415.48
  6. Step 6: Final answer
    x = 12,957.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.