Home / 12,922.06-17,827-8,133.52

Finding the Fourth Proportional to 12,922.06, 17,827 and 8,133.52

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Solution

The fourth proportional to 12,922.06, 17,827 and 8,133.52 is: 11,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.06 : 17,827 = 8,133.52 : x
  2. Step 2: Convert to fraction form
    12,922.06/17,827 = 8,133.52/x
  3. Step 3: Cross multiply
    12,922.06x = 17,827 × 8,133.52
  4. Step 4: Simplify right side
    12,922.06x = 144,996,261.04
  5. Step 5: Solve for x
    x = 144,996,261.04/12,922.06
  6. Step 6: Final answer
    x = 11,220.83

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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.