Home / 9,989.73-14,986.42-4,146.19

Finding the Fourth Proportional to 9,989.73, 14,986.42 and 4,146.19

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Solution

The fourth proportional to 9,989.73, 14,986.42 and 4,146.19 is: 6,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.73 : 14,986.42 = 4,146.19 : x
  2. Step 2: Convert to fraction form
    9,989.73/14,986.42 = 4,146.19/x
  3. Step 3: Cross multiply
    9,989.73x = 14,986.42 × 4,146.19
  4. Step 4: Simplify right side
    9,989.73x = 62,136,496.91
  5. Step 5: Solve for x
    x = 62,136,496.91/9,989.73
  6. Step 6: Final answer
    x = 6,220.04

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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.