Home / 9,143.89-13,706.65-6,223.57

Finding the Fourth Proportional to 9,143.89, 13,706.65 and 6,223.57

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Solution

The fourth proportional to 9,143.89, 13,706.65 and 6,223.57 is: 9,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.89 : 13,706.65 = 6,223.57 : x
  2. Step 2: Convert to fraction form
    9,143.89/13,706.65 = 6,223.57/x
  3. Step 3: Cross multiply
    9,143.89x = 13,706.65 × 6,223.57
  4. Step 4: Simplify right side
    9,143.89x = 85,304,269.25
  5. Step 5: Solve for x
    x = 85,304,269.25/9,143.89
  6. Step 6: Final answer
    x = 9,329.10

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1.5x scale

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.