Home / 14,121.63-19,474.29-9,339.39

Finding the Fourth Proportional to 14,121.63, 19,474.29 and 9,339.39

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Solution

The fourth proportional to 14,121.63, 19,474.29 and 9,339.39 is: 12,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.63 : 19,474.29 = 9,339.39 : x
  2. Step 2: Convert to fraction form
    14,121.63/19,474.29 = 9,339.39/x
  3. Step 3: Cross multiply
    14,121.63x = 19,474.29 × 9,339.39
  4. Step 4: Simplify right side
    14,121.63x = 181,877,989.28
  5. Step 5: Solve for x
    x = 181,877,989.28/14,121.63
  6. Step 6: Final answer
    x = 12,879.39

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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.