Home / 11,631.09-16,050.97-6,915.41

Finding the Fourth Proportional to 11,631.09, 16,050.97 and 6,915.41

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Solution

The fourth proportional to 11,631.09, 16,050.97 and 6,915.41 is: 9,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.09 : 16,050.97 = 6,915.41 : x
  2. Step 2: Convert to fraction form
    11,631.09/16,050.97 = 6,915.41/x
  3. Step 3: Cross multiply
    11,631.09x = 16,050.97 × 6,915.41
  4. Step 4: Simplify right side
    11,631.09x = 110,999,038.45
  5. Step 5: Solve for x
    x = 110,999,038.45/11,631.09
  6. Step 6: Final answer
    x = 9,543.30

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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.