Home / 13,085.55-19,629.95-4,201.47

Finding the Fourth Proportional to 13,085.55, 19,629.95 and 4,201.47

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Solution

The fourth proportional to 13,085.55, 19,629.95 and 4,201.47 is: 6,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.55 : 19,629.95 = 4,201.47 : x
  2. Step 2: Convert to fraction form
    13,085.55/19,629.95 = 4,201.47/x
  3. Step 3: Cross multiply
    13,085.55x = 19,629.95 × 4,201.47
  4. Step 4: Simplify right side
    13,085.55x = 82,474,625.02
  5. Step 5: Solve for x
    x = 82,474,625.02/13,085.55
  6. Step 6: Final answer
    x = 6,302.73

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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.