Home / 12,226.98-18,341.69-4,436.40

Finding the Fourth Proportional to 12,226.98, 18,341.69 and 4,436.40

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Solution

The fourth proportional to 12,226.98, 18,341.69 and 4,436.40 is: 6,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.98 : 18,341.69 = 4,436.40 : x
  2. Step 2: Convert to fraction form
    12,226.98/18,341.69 = 4,436.40/x
  3. Step 3: Cross multiply
    12,226.98x = 18,341.69 × 4,436.40
  4. Step 4: Simplify right side
    12,226.98x = 81,371,119.37
  5. Step 5: Solve for x
    x = 81,371,119.37/12,226.98
  6. Step 6: Final answer
    x = 6,655.05

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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.