Home / 11,915.41-16,444.01-6,880.55

Finding the Fourth Proportional to 11,915.41, 16,444.01 and 6,880.55

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Solution

The fourth proportional to 11,915.41, 16,444.01 and 6,880.55 is: 9,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.41 : 16,444.01 = 6,880.55 : x
  2. Step 2: Convert to fraction form
    11,915.41/16,444.01 = 6,880.55/x
  3. Step 3: Cross multiply
    11,915.41x = 16,444.01 × 6,880.55
  4. Step 4: Simplify right side
    11,915.41x = 113,143,798.60
  5. Step 5: Solve for x
    x = 113,143,798.60/11,915.41
  6. Step 6: Final answer
    x = 9,495.59

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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.