Home / 12,074.24-18,102.08-4,677.60

Finding the Fourth Proportional to 12,074.24, 18,102.08 and 4,677.60

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Solution

The fourth proportional to 12,074.24, 18,102.08 and 4,677.60 is: 7,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.24 : 18,102.08 = 4,677.60 : x
  2. Step 2: Convert to fraction form
    12,074.24/18,102.08 = 4,677.60/x
  3. Step 3: Cross multiply
    12,074.24x = 18,102.08 × 4,677.60
  4. Step 4: Simplify right side
    12,074.24x = 84,674,289.41
  5. Step 5: Solve for x
    x = 84,674,289.41/12,074.24
  6. Step 6: Final answer
    x = 7,012.80

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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.