Home / 9,640.21-14,461.47-3,398.94

Finding the Fourth Proportional to 9,640.21, 14,461.47 and 3,398.94

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Solution

The fourth proportional to 9,640.21, 14,461.47 and 3,398.94 is: 5,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.21 : 14,461.47 = 3,398.94 : x
  2. Step 2: Convert to fraction form
    9,640.21/14,461.47 = 3,398.94/x
  3. Step 3: Cross multiply
    9,640.21x = 14,461.47 × 3,398.94
  4. Step 4: Simplify right side
    9,640.21x = 49,153,596.53
  5. Step 5: Solve for x
    x = 49,153,596.53/9,640.21
  6. Step 6: Final answer
    x = 5,098.81

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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.