Home / 12,415.80-18,619.74-4,094.26

Finding the Fourth Proportional to 12,415.80, 18,619.74 and 4,094.26

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Solution

The fourth proportional to 12,415.80, 18,619.74 and 4,094.26 is: 6,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.80 : 18,619.74 = 4,094.26 : x
  2. Step 2: Convert to fraction form
    12,415.80/18,619.74 = 4,094.26/x
  3. Step 3: Cross multiply
    12,415.80x = 18,619.74 × 4,094.26
  4. Step 4: Simplify right side
    12,415.80x = 76,234,056.69
  5. Step 5: Solve for x
    x = 76,234,056.69/12,415.80
  6. Step 6: Final answer
    x = 6,140.08

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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.