Home / 12,487.56-17,232.96-6,822.46

Finding the Fourth Proportional to 12,487.56, 17,232.96 and 6,822.46

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Solution

The fourth proportional to 12,487.56, 17,232.96 and 6,822.46 is: 9,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.56 : 17,232.96 = 6,822.46 : x
  2. Step 2: Convert to fraction form
    12,487.56/17,232.96 = 6,822.46/x
  3. Step 3: Cross multiply
    12,487.56x = 17,232.96 × 6,822.46
  4. Step 4: Simplify right side
    12,487.56x = 117,571,180.28
  5. Step 5: Solve for x
    x = 117,571,180.28/12,487.56
  6. Step 6: Final answer
    x = 9,415.06

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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.