Home / 13,112.67-19,657.19-4,786.84

Finding the Fourth Proportional to 13,112.67, 19,657.19 and 4,786.84

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Solution

The fourth proportional to 13,112.67, 19,657.19 and 4,786.84 is: 7,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.67 : 19,657.19 = 4,786.84 : x
  2. Step 2: Convert to fraction form
    13,112.67/19,657.19 = 4,786.84/x
  3. Step 3: Cross multiply
    13,112.67x = 19,657.19 × 4,786.84
  4. Step 4: Simplify right side
    13,112.67x = 94,095,823.38
  5. Step 5: Solve for x
    x = 94,095,823.38/13,112.67
  6. Step 6: Final answer
    x = 7,175.95

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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.