Home / 14,051.30-21,081.07-4,190.90

Finding the Fourth Proportional to 14,051.30, 21,081.07 and 4,190.90

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Solution

The fourth proportional to 14,051.30, 21,081.07 and 4,190.90 is: 6,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.30 : 21,081.07 = 4,190.90 : x
  2. Step 2: Convert to fraction form
    14,051.30/21,081.07 = 4,190.90/x
  3. Step 3: Cross multiply
    14,051.30x = 21,081.07 × 4,190.90
  4. Step 4: Simplify right side
    14,051.30x = 88,348,656.26
  5. Step 5: Solve for x
    x = 88,348,656.26/14,051.30
  6. Step 6: Final answer
    x = 6,287.58

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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.