Home / 19,417.16-26,787.27-12,241.42

Finding the Fourth Proportional to 19,417.16, 26,787.27 and 12,241.42

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Solution

The fourth proportional to 19,417.16, 26,787.27 and 12,241.42 is: 16,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.16 : 26,787.27 = 12,241.42 : x
  2. Step 2: Convert to fraction form
    19,417.16/26,787.27 = 12,241.42/x
  3. Step 3: Cross multiply
    19,417.16x = 26,787.27 × 12,241.42
  4. Step 4: Simplify right side
    19,417.16x = 327,914,222.72
  5. Step 5: Solve for x
    x = 327,914,222.72/19,417.16
  6. Step 6: Final answer
    x = 16,887.86

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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.