Home / 14,086.98-21,134.93-8,471.12

Finding the Fourth Proportional to 14,086.98, 21,134.93 and 8,471.12

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Solution

The fourth proportional to 14,086.98, 21,134.93 and 8,471.12 is: 12,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.98 : 21,134.93 = 8,471.12 : x
  2. Step 2: Convert to fraction form
    14,086.98/21,134.93 = 8,471.12/x
  3. Step 3: Cross multiply
    14,086.98x = 21,134.93 × 8,471.12
  4. Step 4: Simplify right side
    14,086.98x = 179,036,380.19
  5. Step 5: Solve for x
    x = 179,036,380.19/14,086.98
  6. Step 6: Final answer
    x = 12,709.35

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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.