Home / 13,180.56-19,778.70-4,866.42

Finding the Fourth Proportional to 13,180.56, 19,778.70 and 4,866.42

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Solution

The fourth proportional to 13,180.56, 19,778.70 and 4,866.42 is: 7,302.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.56 : 19,778.70 = 4,866.42 : x
  2. Step 2: Convert to fraction form
    13,180.56/19,778.70 = 4,866.42/x
  3. Step 3: Cross multiply
    13,180.56x = 19,778.70 × 4,866.42
  4. Step 4: Simplify right side
    13,180.56x = 96,251,461.25
  5. Step 5: Solve for x
    x = 96,251,461.25/13,180.56
  6. Step 6: Final answer
    x = 7,302.53

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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.