Home / 8,784.96-12,123.36-5,991.36

Finding the Fourth Proportional to 8,784.96, 12,123.36 and 5,991.36

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Solution

The fourth proportional to 8,784.96, 12,123.36 and 5,991.36 is: 8,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.96 : 12,123.36 = 5,991.36 : x
  2. Step 2: Convert to fraction form
    8,784.96/12,123.36 = 5,991.36/x
  3. Step 3: Cross multiply
    8,784.96x = 12,123.36 × 5,991.36
  4. Step 4: Simplify right side
    8,784.96x = 72,635,414.17
  5. Step 5: Solve for x
    x = 72,635,414.17/8,784.96
  6. Step 6: Final answer
    x = 8,268.16

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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.