Home / 9,143.37-13,696.70-4,206.15

Finding the Fourth Proportional to 9,143.37, 13,696.70 and 4,206.15

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Solution

The fourth proportional to 9,143.37, 13,696.70 and 4,206.15 is: 6,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.37 : 13,696.70 = 4,206.15 : x
  2. Step 2: Convert to fraction form
    9,143.37/13,696.70 = 4,206.15/x
  3. Step 3: Cross multiply
    9,143.37x = 13,696.70 × 4,206.15
  4. Step 4: Simplify right side
    9,143.37x = 57,610,353.67
  5. Step 5: Solve for x
    x = 57,610,353.67/9,143.37
  6. Step 6: Final answer
    x = 6,300.78

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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.