Home / 12,226.37-18,303.10-12,017.39

Finding the Fourth Proportional to 12,226.37, 18,303.10 and 12,017.39

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Solution

The fourth proportional to 12,226.37, 18,303.10 and 12,017.39 is: 17,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.37 : 18,303.10 = 12,017.39 : x
  2. Step 2: Convert to fraction form
    12,226.37/18,303.10 = 12,017.39/x
  3. Step 3: Cross multiply
    12,226.37x = 18,303.10 × 12,017.39
  4. Step 4: Simplify right side
    12,226.37x = 219,955,369.35
  5. Step 5: Solve for x
    x = 219,955,369.35/12,226.37
  6. Step 6: Final answer
    x = 17,990.25

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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.