Home / 8,932.08-12,327.74-8,538.36

Finding the Fourth Proportional to 8,932.08, 12,327.74 and 8,538.36

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Solution

The fourth proportional to 8,932.08, 12,327.74 and 8,538.36 is: 11,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.08 : 12,327.74 = 8,538.36 : x
  2. Step 2: Convert to fraction form
    8,932.08/12,327.74 = 8,538.36/x
  3. Step 3: Cross multiply
    8,932.08x = 12,327.74 × 8,538.36
  4. Step 4: Simplify right side
    8,932.08x = 105,258,682.11
  5. Step 5: Solve for x
    x = 105,258,682.11/8,932.08
  6. Step 6: Final answer
    x = 11,784.34

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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.