Home / 9,421.09-14,129.27-3,875.96

Finding the Fourth Proportional to 9,421.09, 14,129.27 and 3,875.96

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Solution

The fourth proportional to 9,421.09, 14,129.27 and 3,875.96 is: 5,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.09 : 14,129.27 = 3,875.96 : x
  2. Step 2: Convert to fraction form
    9,421.09/14,129.27 = 3,875.96/x
  3. Step 3: Cross multiply
    9,421.09x = 14,129.27 × 3,875.96
  4. Step 4: Simplify right side
    9,421.09x = 54,764,465.97
  5. Step 5: Solve for x
    x = 54,764,465.97/9,421.09
  6. Step 6: Final answer
    x = 5,812.97

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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.