Home / 13,787.09-19,015.99-8,746.97

Finding the Fourth Proportional to 13,787.09, 19,015.99 and 8,746.97

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Solution

The fourth proportional to 13,787.09, 19,015.99 and 8,746.97 is: 12,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.09 : 19,015.99 = 8,746.97 : x
  2. Step 2: Convert to fraction form
    13,787.09/19,015.99 = 8,746.97/x
  3. Step 3: Cross multiply
    13,787.09x = 19,015.99 × 8,746.97
  4. Step 4: Simplify right side
    13,787.09x = 166,332,294.05
  5. Step 5: Solve for x
    x = 166,332,294.05/13,787.09
  6. Step 6: Final answer
    x = 12,064.35

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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.