Home / 18,705.06-28,058.40-6,226.20

Finding the Fourth Proportional to 18,705.06, 28,058.40 and 6,226.20

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Solution

The fourth proportional to 18,705.06, 28,058.40 and 6,226.20 is: 9,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,705.06 : 28,058.40 = 6,226.20 : x
  2. Step 2: Convert to fraction form
    18,705.06/28,058.40 = 6,226.20/x
  3. Step 3: Cross multiply
    18,705.06x = 28,058.40 × 6,226.20
  4. Step 4: Simplify right side
    18,705.06x = 174,697,210.08
  5. Step 5: Solve for x
    x = 174,697,210.08/18,705.06
  6. Step 6: Final answer
    x = 9,339.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.