Home / 11,114.94-15,326.91-6,915.90

Finding the Fourth Proportional to 11,114.94, 15,326.91 and 6,915.90

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Solution

The fourth proportional to 11,114.94, 15,326.91 and 6,915.90 is: 9,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.94 : 15,326.91 = 6,915.90 : x
  2. Step 2: Convert to fraction form
    11,114.94/15,326.91 = 6,915.90/x
  3. Step 3: Cross multiply
    11,114.94x = 15,326.91 × 6,915.90
  4. Step 4: Simplify right side
    11,114.94x = 105,999,376.87
  5. Step 5: Solve for x
    x = 105,999,376.87/11,114.94
  6. Step 6: Final answer
    x = 9,536.66

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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.