Home / 18,827.45-28,223.90-6,506.81

Finding the Fourth Proportional to 18,827.45, 28,223.90 and 6,506.81

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Solution

The fourth proportional to 18,827.45, 28,223.90 and 6,506.81 is: 9,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.45 : 28,223.90 = 6,506.81 : x
  2. Step 2: Convert to fraction form
    18,827.45/28,223.90 = 6,506.81/x
  3. Step 3: Cross multiply
    18,827.45x = 28,223.90 × 6,506.81
  4. Step 4: Simplify right side
    18,827.45x = 183,647,617.19
  5. Step 5: Solve for x
    x = 183,647,617.19/18,827.45
  6. Step 6: Final answer
    x = 9,754.25

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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.