Home / 14,195.40-21,242.70-12,366.60

Finding the Fourth Proportional to 14,195.40, 21,242.70 and 12,366.60

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Solution

The fourth proportional to 14,195.40, 21,242.70 and 12,366.60 is: 18,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.40 : 21,242.70 = 12,366.60 : x
  2. Step 2: Convert to fraction form
    14,195.40/21,242.70 = 12,366.60/x
  3. Step 3: Cross multiply
    14,195.40x = 21,242.70 × 12,366.60
  4. Step 4: Simplify right side
    14,195.40x = 262,699,973.82
  5. Step 5: Solve for x
    x = 262,699,973.82/14,195.40
  6. Step 6: Final answer
    x = 18,505.99

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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.