Home / 19,355.89-29,014.23-13,116.54

Finding the Fourth Proportional to 19,355.89, 29,014.23 and 13,116.54

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Solution

The fourth proportional to 19,355.89, 29,014.23 and 13,116.54 is: 19,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.89 : 29,014.23 = 13,116.54 : x
  2. Step 2: Convert to fraction form
    19,355.89/29,014.23 = 13,116.54/x
  3. Step 3: Cross multiply
    19,355.89x = 29,014.23 × 13,116.54
  4. Step 4: Simplify right side
    19,355.89x = 380,566,234.68
  5. Step 5: Solve for x
    x = 380,566,234.68/19,355.89
  6. Step 6: Final answer
    x = 19,661.52

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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.