Home / 18,943.02-28,409.81-7,852.77

Finding the Fourth Proportional to 18,943.02, 28,409.81 and 7,852.77

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Solution

The fourth proportional to 18,943.02, 28,409.81 and 7,852.77 is: 11,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.02 : 28,409.81 = 7,852.77 : x
  2. Step 2: Convert to fraction form
    18,943.02/28,409.81 = 7,852.77/x
  3. Step 3: Cross multiply
    18,943.02x = 28,409.81 × 7,852.77
  4. Step 4: Simplify right side
    18,943.02x = 223,095,664.41
  5. Step 5: Solve for x
    x = 223,095,664.41/18,943.02
  6. Step 6: Final answer
    x = 11,777.20

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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.