Home / 9,638.86-14,458.96-4,091.56

Finding the Fourth Proportional to 9,638.86, 14,458.96 and 4,091.56

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Solution

The fourth proportional to 9,638.86, 14,458.96 and 4,091.56 is: 6,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,638.86 : 14,458.96 = 4,091.56 : x
  2. Step 2: Convert to fraction form
    9,638.86/14,458.96 = 4,091.56/x
  3. Step 3: Cross multiply
    9,638.86x = 14,458.96 × 4,091.56
  4. Step 4: Simplify right side
    9,638.86x = 59,159,702.38
  5. Step 5: Solve for x
    x = 59,159,702.38/9,638.86
  6. Step 6: Final answer
    x = 6,137.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.