Home / 14,740.65-22,110.96-12,138.12

Finding the Fourth Proportional to 14,740.65, 22,110.96 and 12,138.12

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Solution

The fourth proportional to 14,740.65, 22,110.96 and 12,138.12 is: 18,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.65 : 22,110.96 = 12,138.12 : x
  2. Step 2: Convert to fraction form
    14,740.65/22,110.96 = 12,138.12/x
  3. Step 3: Cross multiply
    14,740.65x = 22,110.96 × 12,138.12
  4. Step 4: Simplify right side
    14,740.65x = 268,385,485.80
  5. Step 5: Solve for x
    x = 268,385,485.80/14,740.65
  6. Step 6: Final answer
    x = 18,207.17

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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.