Home / 21,804.36-30,089.63-12,244.32

Finding the Fourth Proportional to 21,804.36, 30,089.63 and 12,244.32

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Solution

The fourth proportional to 21,804.36, 30,089.63 and 12,244.32 is: 16,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.36 : 30,089.63 = 12,244.32 : x
  2. Step 2: Convert to fraction form
    21,804.36/30,089.63 = 12,244.32/x
  3. Step 3: Cross multiply
    21,804.36x = 30,089.63 × 12,244.32
  4. Step 4: Simplify right side
    21,804.36x = 368,426,997.18
  5. Step 5: Solve for x
    x = 368,426,997.18/21,804.36
  6. Step 6: Final answer
    x = 16,896.94

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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.