Home / 14,195.07-21,300.80-6,403.88

Finding the Fourth Proportional to 14,195.07, 21,300.80 and 6,403.88

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Solution

The fourth proportional to 14,195.07, 21,300.80 and 6,403.88 is: 9,609.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.07 : 21,300.80 = 6,403.88 : x
  2. Step 2: Convert to fraction form
    14,195.07/21,300.80 = 6,403.88/x
  3. Step 3: Cross multiply
    14,195.07x = 21,300.80 × 6,403.88
  4. Step 4: Simplify right side
    14,195.07x = 136,407,628.58
  5. Step 5: Solve for x
    x = 136,407,628.58/14,195.07
  6. Step 6: Final answer
    x = 9,609.51

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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.