Home / 14,939.86-20,609.26-12,110.43

Finding the Fourth Proportional to 14,939.86, 20,609.26 and 12,110.43

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Solution

The fourth proportional to 14,939.86, 20,609.26 and 12,110.43 is: 16,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.86 : 20,609.26 = 12,110.43 : x
  2. Step 2: Convert to fraction form
    14,939.86/20,609.26 = 12,110.43/x
  3. Step 3: Cross multiply
    14,939.86x = 20,609.26 × 12,110.43
  4. Step 4: Simplify right side
    14,939.86x = 249,587,000.58
  5. Step 5: Solve for x
    x = 249,587,000.58/14,939.86
  6. Step 6: Final answer
    x = 16,706.11

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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.