Home / 14,158.48-19,540.80-10,192.72

Finding the Fourth Proportional to 14,158.48, 19,540.80 and 10,192.72

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Solution

The fourth proportional to 14,158.48, 19,540.80 and 10,192.72 is: 14,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.48 : 19,540.80 = 10,192.72 : x
  2. Step 2: Convert to fraction form
    14,158.48/19,540.80 = 10,192.72/x
  3. Step 3: Cross multiply
    14,158.48x = 19,540.80 × 10,192.72
  4. Step 4: Simplify right side
    14,158.48x = 199,173,902.98
  5. Step 5: Solve for x
    x = 199,173,902.98/14,158.48
  6. Step 6: Final answer
    x = 14,067.46

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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.