Home / 14,193.40-21,239.70-12,364.60

Finding the Fourth Proportional to 14,193.40, 21,239.70 and 12,364.60

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Solution

The fourth proportional to 14,193.40, 21,239.70 and 12,364.60 is: 18,502.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.40 : 21,239.70 = 12,364.60 : x
  2. Step 2: Convert to fraction form
    14,193.40/21,239.70 = 12,364.60/x
  3. Step 3: Cross multiply
    14,193.40x = 21,239.70 × 12,364.60
  4. Step 4: Simplify right side
    14,193.40x = 262,620,394.62
  5. Step 5: Solve for x
    x = 262,620,394.62/14,193.40
  6. Step 6: Final answer
    x = 18,502.99

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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.