Home / 12,210.35-18,316.73-3,445.34

Finding the Fourth Proportional to 12,210.35, 18,316.73 and 3,445.34

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Solution

The fourth proportional to 12,210.35, 18,316.73 and 3,445.34 is: 5,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.35 : 18,316.73 = 3,445.34 : x
  2. Step 2: Convert to fraction form
    12,210.35/18,316.73 = 3,445.34/x
  3. Step 3: Cross multiply
    12,210.35x = 18,316.73 × 3,445.34
  4. Step 4: Simplify right side
    12,210.35x = 63,107,279.57
  5. Step 5: Solve for x
    x = 63,107,279.57/12,210.35
  6. Step 6: Final answer
    x = 5,168.35

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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.