Home / 14,039.55-21,059.12-4,178.88

Finding the Fourth Proportional to 14,039.55, 21,059.12 and 4,178.88

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Solution

The fourth proportional to 14,039.55, 21,059.12 and 4,178.88 is: 6,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.55 : 21,059.12 = 4,178.88 : x
  2. Step 2: Convert to fraction form
    14,039.55/21,059.12 = 4,178.88/x
  3. Step 3: Cross multiply
    14,039.55x = 21,059.12 × 4,178.88
  4. Step 4: Simplify right side
    14,039.55x = 88,003,545.83
  5. Step 5: Solve for x
    x = 88,003,545.83/14,039.55
  6. Step 6: Final answer
    x = 6,268.26

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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.