Home / 13,245.75-19,868.63-4,927.86

Finding the Fourth Proportional to 13,245.75, 19,868.63 and 4,927.86

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Solution

The fourth proportional to 13,245.75, 19,868.63 and 4,927.86 is: 7,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.75 : 19,868.63 = 4,927.86 : x
  2. Step 2: Convert to fraction form
    13,245.75/19,868.63 = 4,927.86/x
  3. Step 3: Cross multiply
    13,245.75x = 19,868.63 × 4,927.86
  4. Step 4: Simplify right side
    13,245.75x = 97,909,827.03
  5. Step 5: Solve for x
    x = 97,909,827.03/13,245.75
  6. Step 6: Final answer
    x = 7,391.79

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Similar ratio
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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.