Home / 13,180.59-19,778.67-4,866.42

Finding the Fourth Proportional to 13,180.59, 19,778.67 and 4,866.42

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Solution

The fourth proportional to 13,180.59, 19,778.67 and 4,866.42 is: 7,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.59 : 19,778.67 = 4,866.42 : x
  2. Step 2: Convert to fraction form
    13,180.59/19,778.67 = 4,866.42/x
  3. Step 3: Cross multiply
    13,180.59x = 19,778.67 × 4,866.42
  4. Step 4: Simplify right side
    13,180.59x = 96,251,315.26
  5. Step 5: Solve for x
    x = 96,251,315.26/13,180.59
  6. Step 6: Final answer
    x = 7,302.50

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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.