Home / 9,124.29-13,675.50-5,418.54

Finding the Fourth Proportional to 9,124.29, 13,675.50 and 5,418.54

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Solution

The fourth proportional to 9,124.29, 13,675.50 and 5,418.54 is: 8,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.29 : 13,675.50 = 5,418.54 : x
  2. Step 2: Convert to fraction form
    9,124.29/13,675.50 = 5,418.54/x
  3. Step 3: Cross multiply
    9,124.29x = 13,675.50 × 5,418.54
  4. Step 4: Simplify right side
    9,124.29x = 74,101,243.77
  5. Step 5: Solve for x
    x = 74,101,243.77/9,124.29
  6. Step 6: Final answer
    x = 8,121.32

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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.