Home / 14,039.96-21,060.48-4,179.08

Finding the Fourth Proportional to 14,039.96, 21,060.48 and 4,179.08

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Solution

The fourth proportional to 14,039.96, 21,060.48 and 4,179.08 is: 6,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.96 : 21,060.48 = 4,179.08 : x
  2. Step 2: Convert to fraction form
    14,039.96/21,060.48 = 4,179.08/x
  3. Step 3: Cross multiply
    14,039.96x = 21,060.48 × 4,179.08
  4. Step 4: Simplify right side
    14,039.96x = 88,013,430.76
  5. Step 5: Solve for x
    x = 88,013,430.76/14,039.96
  6. Step 6: Final answer
    x = 6,268.78

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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.