Home / 9,237.91-13,857.61-3,688.21

Finding the Fourth Proportional to 9,237.91, 13,857.61 and 3,688.21

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Solution

The fourth proportional to 9,237.91, 13,857.61 and 3,688.21 is: 5,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.91 : 13,857.61 = 3,688.21 : x
  2. Step 2: Convert to fraction form
    9,237.91/13,857.61 = 3,688.21/x
  3. Step 3: Cross multiply
    9,237.91x = 13,857.61 × 3,688.21
  4. Step 4: Simplify right side
    9,237.91x = 51,109,741.45
  5. Step 5: Solve for x
    x = 51,109,741.45/9,237.91
  6. Step 6: Final answer
    x = 5,532.61

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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.