Home / 14,191.40-21,236.70-12,362.60

Finding the Fourth Proportional to 14,191.40, 21,236.70 and 12,362.60

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Solution

The fourth proportional to 14,191.40, 21,236.70 and 12,362.60 is: 18,499.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.40 : 21,236.70 = 12,362.60 : x
  2. Step 2: Convert to fraction form
    14,191.40/21,236.70 = 12,362.60/x
  3. Step 3: Cross multiply
    14,191.40x = 21,236.70 × 12,362.60
  4. Step 4: Simplify right side
    14,191.40x = 262,540,827.42
  5. Step 5: Solve for x
    x = 262,540,827.42/14,191.40
  6. Step 6: Final answer
    x = 18,499.99

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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.