Home / 12,829.96-19,243.05-4,509.37

Finding the Fourth Proportional to 12,829.96, 19,243.05 and 4,509.37

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Solution

The fourth proportional to 12,829.96, 19,243.05 and 4,509.37 is: 6,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,829.96 : 19,243.05 = 4,509.37 : x
  2. Step 2: Convert to fraction form
    12,829.96/19,243.05 = 4,509.37/x
  3. Step 3: Cross multiply
    12,829.96x = 19,243.05 × 4,509.37
  4. Step 4: Simplify right side
    12,829.96x = 86,774,032.38
  5. Step 5: Solve for x
    x = 86,774,032.38/12,829.96
  6. Step 6: Final answer
    x = 6,763.39

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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.