Home / 16,790.84-23,172.88-9,238.68

Finding the Fourth Proportional to 16,790.84, 23,172.88 and 9,238.68

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Solution

The fourth proportional to 16,790.84, 23,172.88 and 9,238.68 is: 12,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.84 : 23,172.88 = 9,238.68 : x
  2. Step 2: Convert to fraction form
    16,790.84/23,172.88 = 9,238.68/x
  3. Step 3: Cross multiply
    16,790.84x = 23,172.88 × 9,238.68
  4. Step 4: Simplify right side
    16,790.84x = 214,086,823.00
  5. Step 5: Solve for x
    x = 214,086,823.00/16,790.84
  6. Step 6: Final answer
    x = 12,750.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.