Home / 14,418.21-21,627.32-7,885.83

Finding the Fourth Proportional to 14,418.21, 21,627.32 and 7,885.83

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Solution

The fourth proportional to 14,418.21, 21,627.32 and 7,885.83 is: 11,828.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.21 : 21,627.32 = 7,885.83 : x
  2. Step 2: Convert to fraction form
    14,418.21/21,627.32 = 7,885.83/x
  3. Step 3: Cross multiply
    14,418.21x = 21,627.32 × 7,885.83
  4. Step 4: Simplify right side
    14,418.21x = 170,549,329.45
  5. Step 5: Solve for x
    x = 170,549,329.45/14,418.21
  6. Step 6: Final answer
    x = 11,828.75

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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.