Home / 14,285.44-19,666.26-12,287.98

Finding the Fourth Proportional to 14,285.44, 19,666.26 and 12,287.98

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Solution

The fourth proportional to 14,285.44, 19,666.26 and 12,287.98 is: 16,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.44 : 19,666.26 = 12,287.98 : x
  2. Step 2: Convert to fraction form
    14,285.44/19,666.26 = 12,287.98/x
  3. Step 3: Cross multiply
    14,285.44x = 19,666.26 × 12,287.98
  4. Step 4: Simplify right side
    14,285.44x = 241,658,609.55
  5. Step 5: Solve for x
    x = 241,658,609.55/14,285.44
  6. Step 6: Final answer
    x = 16,916.43

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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.