Home / 16,009.20-23,999.40-10,162.80

Finding the Fourth Proportional to 16,009.20, 23,999.40 and 10,162.80

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Solution

The fourth proportional to 16,009.20, 23,999.40 and 10,162.80 is: 15,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,009.20 : 23,999.40 = 10,162.80 : x
  2. Step 2: Convert to fraction form
    16,009.20/23,999.40 = 10,162.80/x
  3. Step 3: Cross multiply
    16,009.20x = 23,999.40 × 10,162.80
  4. Step 4: Simplify right side
    16,009.20x = 243,901,102.32
  5. Step 5: Solve for x
    x = 243,901,102.32/16,009.20
  6. Step 6: Final answer
    x = 15,235.06

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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.