Home / 19,739.86-29,615.26-10,980.92

Finding the Fourth Proportional to 19,739.86, 29,615.26 and 10,980.92

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Solution

The fourth proportional to 19,739.86, 29,615.26 and 10,980.92 is: 16,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.86 : 29,615.26 = 10,980.92 : x
  2. Step 2: Convert to fraction form
    19,739.86/29,615.26 = 10,980.92/x
  3. Step 3: Cross multiply
    19,739.86x = 29,615.26 × 10,980.92
  4. Step 4: Simplify right side
    19,739.86x = 325,202,800.84
  5. Step 5: Solve for x
    x = 325,202,800.84/19,739.86
  6. Step 6: Final answer
    x = 16,474.42

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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.