Home / 21,119.96-31,675.26-6,326.93

Finding the Fourth Proportional to 21,119.96, 31,675.26 and 6,326.93

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Solution

The fourth proportional to 21,119.96, 31,675.26 and 6,326.93 is: 9,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,119.96 : 31,675.26 = 6,326.93 : x
  2. Step 2: Convert to fraction form
    21,119.96/31,675.26 = 6,326.93/x
  3. Step 3: Cross multiply
    21,119.96x = 31,675.26 × 6,326.93
  4. Step 4: Simplify right side
    21,119.96x = 200,407,152.75
  5. Step 5: Solve for x
    x = 200,407,152.75/21,119.96
  6. Step 6: Final answer
    x = 9,488.99

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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.