Home / 19,883.31-29,820.04-11,880.27

Finding the Fourth Proportional to 19,883.31, 29,820.04 and 11,880.27

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Solution

The fourth proportional to 19,883.31, 29,820.04 and 11,880.27 is: 17,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,883.31 : 29,820.04 = 11,880.27 : x
  2. Step 2: Convert to fraction form
    19,883.31/29,820.04 = 11,880.27/x
  3. Step 3: Cross multiply
    19,883.31x = 29,820.04 × 11,880.27
  4. Step 4: Simplify right side
    19,883.31x = 354,270,126.61
  5. Step 5: Solve for x
    x = 354,270,126.61/19,883.31
  6. Step 6: Final answer
    x = 17,817.46

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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.