Home / 9,142.04-13,702.69-4,201.47

Finding the Fourth Proportional to 9,142.04, 13,702.69 and 4,201.47

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Solution

The fourth proportional to 9,142.04, 13,702.69 and 4,201.47 is: 6,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.04 : 13,702.69 = 4,201.47 : x
  2. Step 2: Convert to fraction form
    9,142.04/13,702.69 = 4,201.47/x
  3. Step 3: Cross multiply
    9,142.04x = 13,702.69 × 4,201.47
  4. Step 4: Simplify right side
    9,142.04x = 57,571,440.95
  5. Step 5: Solve for x
    x = 57,571,440.95/9,142.04
  6. Step 6: Final answer
    x = 6,297.44

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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.