Home / 16,485.44-22,739.44-10,820.56

Finding the Fourth Proportional to 16,485.44, 22,739.44 and 10,820.56

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Solution

The fourth proportional to 16,485.44, 22,739.44 and 10,820.56 is: 14,925.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.44 : 22,739.44 = 10,820.56 : x
  2. Step 2: Convert to fraction form
    16,485.44/22,739.44 = 10,820.56/x
  3. Step 3: Cross multiply
    16,485.44x = 22,739.44 × 10,820.56
  4. Step 4: Simplify right side
    16,485.44x = 246,053,474.89
  5. Step 5: Solve for x
    x = 246,053,474.89/16,485.44
  6. Step 6: Final answer
    x = 14,925.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.