Home / 16,005.44-22,087.64-8,931.89

Finding the Fourth Proportional to 16,005.44, 22,087.64 and 8,931.89

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Solution

The fourth proportional to 16,005.44, 22,087.64 and 8,931.89 is: 12,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,005.44 : 22,087.64 = 8,931.89 : x
  2. Step 2: Convert to fraction form
    16,005.44/22,087.64 = 8,931.89/x
  3. Step 3: Cross multiply
    16,005.44x = 22,087.64 × 8,931.89
  4. Step 4: Simplify right side
    16,005.44x = 197,284,370.84
  5. Step 5: Solve for x
    x = 197,284,370.84/16,005.44
  6. Step 6: Final answer
    x = 12,326.08

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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.