Home / 11,153.84-15,392.64-6,118.44

Finding the Fourth Proportional to 11,153.84, 15,392.64 and 6,118.44

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Solution

The fourth proportional to 11,153.84, 15,392.64 and 6,118.44 is: 8,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.84 : 15,392.64 = 6,118.44 : x
  2. Step 2: Convert to fraction form
    11,153.84/15,392.64 = 6,118.44/x
  3. Step 3: Cross multiply
    11,153.84x = 15,392.64 × 6,118.44
  4. Step 4: Simplify right side
    11,153.84x = 94,178,944.28
  5. Step 5: Solve for x
    x = 94,178,944.28/11,153.84
  6. Step 6: Final answer
    x = 8,443.63

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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.