Home / 12,274.08-16,938.16-6,684.96

Finding the Fourth Proportional to 12,274.08, 16,938.16 and 6,684.96

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Solution

The fourth proportional to 12,274.08, 16,938.16 and 6,684.96 is: 9,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.08 : 16,938.16 = 6,684.96 : x
  2. Step 2: Convert to fraction form
    12,274.08/16,938.16 = 6,684.96/x
  3. Step 3: Cross multiply
    12,274.08x = 16,938.16 × 6,684.96
  4. Step 4: Simplify right side
    12,274.08x = 113,230,922.07
  5. Step 5: Solve for x
    x = 113,230,922.07/12,274.08
  6. Step 6: Final answer
    x = 9,225.21

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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.