Home / 14,943.63-20,630.49-8,976.75

Finding the Fourth Proportional to 14,943.63, 20,630.49 and 8,976.75

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Solution

The fourth proportional to 14,943.63, 20,630.49 and 8,976.75 is: 12,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.63 : 20,630.49 = 8,976.75 : x
  2. Step 2: Convert to fraction form
    14,943.63/20,630.49 = 8,976.75/x
  3. Step 3: Cross multiply
    14,943.63x = 20,630.49 × 8,976.75
  4. Step 4: Simplify right side
    14,943.63x = 185,194,751.11
  5. Step 5: Solve for x
    x = 185,194,751.11/14,943.63
  6. Step 6: Final answer
    x = 12,392.89

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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.