Home / 9,164.68-13,752.96-3,320.80

Finding the Fourth Proportional to 9,164.68, 13,752.96 and 3,320.80

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Solution

The fourth proportional to 9,164.68, 13,752.96 and 3,320.80 is: 4,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.68 : 13,752.96 = 3,320.80 : x
  2. Step 2: Convert to fraction form
    9,164.68/13,752.96 = 3,320.80/x
  3. Step 3: Cross multiply
    9,164.68x = 13,752.96 × 3,320.80
  4. Step 4: Simplify right side
    9,164.68x = 45,670,829.57
  5. Step 5: Solve for x
    x = 45,670,829.57/9,164.68
  6. Step 6: Final answer
    x = 4,983.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.