Home / 14,598.12-20,145.41-7,883.75

Finding the Fourth Proportional to 14,598.12, 20,145.41 and 7,883.75

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Solution

The fourth proportional to 14,598.12, 20,145.41 and 7,883.75 is: 10,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,598.12 : 20,145.41 = 7,883.75 : x
  2. Step 2: Convert to fraction form
    14,598.12/20,145.41 = 7,883.75/x
  3. Step 3: Cross multiply
    14,598.12x = 20,145.41 × 7,883.75
  4. Step 4: Simplify right side
    14,598.12x = 158,821,329.14
  5. Step 5: Solve for x
    x = 158,821,329.14/14,598.12
  6. Step 6: Final answer
    x = 10,879.57

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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.