Home / 14,628.20-20,178.69-8,965.68

Finding the Fourth Proportional to 14,628.20, 20,178.69 and 8,965.68

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Solution

The fourth proportional to 14,628.20, 20,178.69 and 8,965.68 is: 12,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.20 : 20,178.69 = 8,965.68 : x
  2. Step 2: Convert to fraction form
    14,628.20/20,178.69 = 8,965.68/x
  3. Step 3: Cross multiply
    14,628.20x = 20,178.69 × 8,965.68
  4. Step 4: Simplify right side
    14,628.20x = 180,915,677.36
  5. Step 5: Solve for x
    x = 180,915,677.36/14,628.20
  6. Step 6: Final answer
    x = 12,367.60

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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.