Home / 13,091.66-19,630.20-4,653.98

Finding the Fourth Proportional to 13,091.66, 19,630.20 and 4,653.98

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Solution

The fourth proportional to 13,091.66, 19,630.20 and 4,653.98 is: 6,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.66 : 19,630.20 = 4,653.98 : x
  2. Step 2: Convert to fraction form
    13,091.66/19,630.20 = 4,653.98/x
  3. Step 3: Cross multiply
    13,091.66x = 19,630.20 × 4,653.98
  4. Step 4: Simplify right side
    13,091.66x = 91,358,558.20
  5. Step 5: Solve for x
    x = 91,358,558.20/13,091.66
  6. Step 6: Final answer
    x = 6,978.38

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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.