Home / 12,909.58-19,361.84-5,887.49

Finding the Fourth Proportional to 12,909.58, 19,361.84 and 5,887.49

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Solution

The fourth proportional to 12,909.58, 19,361.84 and 5,887.49 is: 8,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.58 : 19,361.84 = 5,887.49 : x
  2. Step 2: Convert to fraction form
    12,909.58/19,361.84 = 5,887.49/x
  3. Step 3: Cross multiply
    12,909.58x = 19,361.84 × 5,887.49
  4. Step 4: Simplify right side
    12,909.58x = 113,992,513.13
  5. Step 5: Solve for x
    x = 113,992,513.13/12,909.58
  6. Step 6: Final answer
    x = 8,830.07

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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.