Home / 14,129.79-21,194.06-4,268.77

Finding the Fourth Proportional to 14,129.79, 21,194.06 and 4,268.77

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Solution

The fourth proportional to 14,129.79, 21,194.06 and 4,268.77 is: 6,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.79 : 21,194.06 = 4,268.77 : x
  2. Step 2: Convert to fraction form
    14,129.79/21,194.06 = 4,268.77/x
  3. Step 3: Cross multiply
    14,129.79x = 21,194.06 × 4,268.77
  4. Step 4: Simplify right side
    14,129.79x = 90,472,525.19
  5. Step 5: Solve for x
    x = 90,472,525.19/14,129.79
  6. Step 6: Final answer
    x = 6,402.96

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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.