Home / 12,017.88-17,915.73-11,828.52

Finding the Fourth Proportional to 12,017.88, 17,915.73 and 11,828.52

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Solution

The fourth proportional to 12,017.88, 17,915.73 and 11,828.52 is: 17,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.88 : 17,915.73 = 11,828.52 : x
  2. Step 2: Convert to fraction form
    12,017.88/17,915.73 = 11,828.52/x
  3. Step 3: Cross multiply
    12,017.88x = 17,915.73 × 11,828.52
  4. Step 4: Simplify right side
    12,017.88x = 211,916,570.62
  5. Step 5: Solve for x
    x = 211,916,570.62/12,017.88
  6. Step 6: Final answer
    x = 17,633.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.