Home / 12,601.25-18,897.85-4,166.19

Finding the Fourth Proportional to 12,601.25, 18,897.85 and 4,166.19

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Solution

The fourth proportional to 12,601.25, 18,897.85 and 4,166.19 is: 6,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.25 : 18,897.85 = 4,166.19 : x
  2. Step 2: Convert to fraction form
    12,601.25/18,897.85 = 4,166.19/x
  3. Step 3: Cross multiply
    12,601.25x = 18,897.85 × 4,166.19
  4. Step 4: Simplify right side
    12,601.25x = 78,732,038.90
  5. Step 5: Solve for x
    x = 78,732,038.90/12,601.25
  6. Step 6: Final answer
    x = 6,247.96

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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.