Home / 14,243.58-19,652.79-8,271.66

Finding the Fourth Proportional to 14,243.58, 19,652.79 and 8,271.66

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Solution

The fourth proportional to 14,243.58, 19,652.79 and 8,271.66 is: 11,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.58 : 19,652.79 = 8,271.66 : x
  2. Step 2: Convert to fraction form
    14,243.58/19,652.79 = 8,271.66/x
  3. Step 3: Cross multiply
    14,243.58x = 19,652.79 × 8,271.66
  4. Step 4: Simplify right side
    14,243.58x = 162,561,196.93
  5. Step 5: Solve for x
    x = 162,561,196.93/14,243.58
  6. Step 6: Final answer
    x = 11,412.95

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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.