Home / 13,164.69-19,754.85-4,850.55

Finding the Fourth Proportional to 13,164.69, 19,754.85 and 4,850.55

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Solution

The fourth proportional to 13,164.69, 19,754.85 and 4,850.55 is: 7,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.69 : 19,754.85 = 4,850.55 : x
  2. Step 2: Convert to fraction form
    13,164.69/19,754.85 = 4,850.55/x
  3. Step 3: Cross multiply
    13,164.69x = 19,754.85 × 4,850.55
  4. Step 4: Simplify right side
    13,164.69x = 95,821,887.67
  5. Step 5: Solve for x
    x = 95,821,887.67/13,164.69
  6. Step 6: Final answer
    x = 7,278.70

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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.