Home / 13,971.67-19,277.52-8,865.33

Finding the Fourth Proportional to 13,971.67, 19,277.52 and 8,865.33

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Solution

The fourth proportional to 13,971.67, 19,277.52 and 8,865.33 is: 12,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.67 : 19,277.52 = 8,865.33 : x
  2. Step 2: Convert to fraction form
    13,971.67/19,277.52 = 8,865.33/x
  3. Step 3: Cross multiply
    13,971.67x = 19,277.52 × 8,865.33
  4. Step 4: Simplify right side
    13,971.67x = 170,901,576.38
  5. Step 5: Solve for x
    x = 170,901,576.38/13,971.67
  6. Step 6: Final answer
    x = 12,232.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.