Home / 19,604.88-29,407.32-13,787.52

Finding the Fourth Proportional to 19,604.88, 29,407.32 and 13,787.52

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Solution

The fourth proportional to 19,604.88, 29,407.32 and 13,787.52 is: 20,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.88 : 29,407.32 = 13,787.52 : x
  2. Step 2: Convert to fraction form
    19,604.88/29,407.32 = 13,787.52/x
  3. Step 3: Cross multiply
    19,604.88x = 29,407.32 × 13,787.52
  4. Step 4: Simplify right side
    19,604.88x = 405,454,012.65
  5. Step 5: Solve for x
    x = 405,454,012.65/19,604.88
  6. Step 6: Final answer
    x = 20,681.28

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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.