Home / 13,215.79-19,810.96-4,893.54

Finding the Fourth Proportional to 13,215.79, 19,810.96 and 4,893.54

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Solution

The fourth proportional to 13,215.79, 19,810.96 and 4,893.54 is: 7,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215.79 : 19,810.96 = 4,893.54 : x
  2. Step 2: Convert to fraction form
    13,215.79/19,810.96 = 4,893.54/x
  3. Step 3: Cross multiply
    13,215.79x = 19,810.96 × 4,893.54
  4. Step 4: Simplify right side
    13,215.79x = 96,945,725.20
  5. Step 5: Solve for x
    x = 96,945,725.20/13,215.79
  6. Step 6: Final answer
    x = 7,335.60

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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.