Home / 14,878.09-22,317.26-3,784.79

Finding the Fourth Proportional to 14,878.09, 22,317.26 and 3,784.79

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Solution

The fourth proportional to 14,878.09, 22,317.26 and 3,784.79 is: 5,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.09 : 22,317.26 = 3,784.79 : x
  2. Step 2: Convert to fraction form
    14,878.09/22,317.26 = 3,784.79/x
  3. Step 3: Cross multiply
    14,878.09x = 22,317.26 × 3,784.79
  4. Step 4: Simplify right side
    14,878.09x = 84,466,021.43
  5. Step 5: Solve for x
    x = 84,466,021.43/14,878.09
  6. Step 6: Final answer
    x = 5,677.21

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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.