Home / 22,237.49-30,690.68-12,680.84

Finding the Fourth Proportional to 22,237.49, 30,690.68 and 12,680.84

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Solution

The fourth proportional to 22,237.49, 30,690.68 and 12,680.84 is: 17,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.49 : 30,690.68 = 12,680.84 : x
  2. Step 2: Convert to fraction form
    22,237.49/30,690.68 = 12,680.84/x
  3. Step 3: Cross multiply
    22,237.49x = 30,690.68 × 12,680.84
  4. Step 4: Simplify right side
    22,237.49x = 389,183,385.71
  5. Step 5: Solve for x
    x = 389,183,385.71/22,237.49
  6. Step 6: Final answer
    x = 17,501.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.