Home / 12,596.80-18,897.20-4,277.60

Finding the Fourth Proportional to 12,596.80, 18,897.20 and 4,277.60

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Solution

The fourth proportional to 12,596.80, 18,897.20 and 4,277.60 is: 6,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.80 : 18,897.20 = 4,277.60 : x
  2. Step 2: Convert to fraction form
    12,596.80/18,897.20 = 4,277.60/x
  3. Step 3: Cross multiply
    12,596.80x = 18,897.20 × 4,277.60
  4. Step 4: Simplify right side
    12,596.80x = 80,834,662.72
  5. Step 5: Solve for x
    x = 80,834,662.72/12,596.80
  6. Step 6: Final answer
    x = 6,417.08

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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.