Home / 9,143.07-13,718.52-4,467.21

Finding the Fourth Proportional to 9,143.07, 13,718.52 and 4,467.21

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Solution

The fourth proportional to 9,143.07, 13,718.52 and 4,467.21 is: 6,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.07 : 13,718.52 = 4,467.21 : x
  2. Step 2: Convert to fraction form
    9,143.07/13,718.52 = 4,467.21/x
  3. Step 3: Cross multiply
    9,143.07x = 13,718.52 × 4,467.21
  4. Step 4: Simplify right side
    9,143.07x = 61,283,509.73
  5. Step 5: Solve for x
    x = 61,283,509.73/9,143.07
  6. Step 6: Final answer
    x = 6,702.73

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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.