Home / 13,283.94-19,921.02-5,786.58

Finding the Fourth Proportional to 13,283.94, 19,921.02 and 5,786.58

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Solution

The fourth proportional to 13,283.94, 19,921.02 and 5,786.58 is: 8,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.94 : 19,921.02 = 5,786.58 : x
  2. Step 2: Convert to fraction form
    13,283.94/19,921.02 = 5,786.58/x
  3. Step 3: Cross multiply
    13,283.94x = 19,921.02 × 5,786.58
  4. Step 4: Simplify right side
    13,283.94x = 115,274,575.91
  5. Step 5: Solve for x
    x = 115,274,575.91/13,283.94
  6. Step 6: Final answer
    x = 8,677.74

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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.