Home / 14,020.63-19,330.92-8,976.57

Finding the Fourth Proportional to 14,020.63, 19,330.92 and 8,976.57

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Solution

The fourth proportional to 14,020.63, 19,330.92 and 8,976.57 is: 12,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.63 : 19,330.92 = 8,976.57 : x
  2. Step 2: Convert to fraction form
    14,020.63/19,330.92 = 8,976.57/x
  3. Step 3: Cross multiply
    14,020.63x = 19,330.92 × 8,976.57
  4. Step 4: Simplify right side
    14,020.63x = 173,525,356.54
  5. Step 5: Solve for x
    x = 173,525,356.54/14,020.63
  6. Step 6: Final answer
    x = 12,376.43

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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.