Home / 14,161.86-19,548.72-12,164.40

Finding the Fourth Proportional to 14,161.86, 19,548.72 and 12,164.40

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Solution

The fourth proportional to 14,161.86, 19,548.72 and 12,164.40 is: 16,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.86 : 19,548.72 = 12,164.40 : x
  2. Step 2: Convert to fraction form
    14,161.86/19,548.72 = 12,164.40/x
  3. Step 3: Cross multiply
    14,161.86x = 19,548.72 × 12,164.40
  4. Step 4: Simplify right side
    14,161.86x = 237,798,449.57
  5. Step 5: Solve for x
    x = 237,798,449.57/14,161.86
  6. Step 6: Final answer
    x = 16,791.47

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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.