Home / 11,822.48-16,315.74-6,517.28

Finding the Fourth Proportional to 11,822.48, 16,315.74 and 6,517.28

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Solution

The fourth proportional to 11,822.48, 16,315.74 and 6,517.28 is: 8,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.48 : 16,315.74 = 6,517.28 : x
  2. Step 2: Convert to fraction form
    11,822.48/16,315.74 = 6,517.28/x
  3. Step 3: Cross multiply
    11,822.48x = 16,315.74 × 6,517.28
  4. Step 4: Simplify right side
    11,822.48x = 106,334,164.41
  5. Step 5: Solve for x
    x = 106,334,164.41/11,822.48
  6. Step 6: Final answer
    x = 8,994.24

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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.