Home / 12,845.88-19,269-4,088.16

Finding the Fourth Proportional to 12,845.88, 19,269 and 4,088.16

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Solution

The fourth proportional to 12,845.88, 19,269 and 4,088.16 is: 6,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.88 : 19,269 = 4,088.16 : x
  2. Step 2: Convert to fraction form
    12,845.88/19,269 = 4,088.16/x
  3. Step 3: Cross multiply
    12,845.88x = 19,269 × 4,088.16
  4. Step 4: Simplify right side
    12,845.88x = 78,774,755.04
  5. Step 5: Solve for x
    x = 78,774,755.04/12,845.88
  6. Step 6: Final answer
    x = 6,132.30

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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.