Home / 14,020.51-21,030.66-4,158.97

Finding the Fourth Proportional to 14,020.51, 21,030.66 and 4,158.97

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Solution

The fourth proportional to 14,020.51, 21,030.66 and 4,158.97 is: 6,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.51 : 21,030.66 = 4,158.97 : x
  2. Step 2: Convert to fraction form
    14,020.51/21,030.66 = 4,158.97/x
  3. Step 3: Cross multiply
    14,020.51x = 21,030.66 × 4,158.97
  4. Step 4: Simplify right side
    14,020.51x = 87,465,884.02
  5. Step 5: Solve for x
    x = 87,465,884.02/14,020.51
  6. Step 6: Final answer
    x = 6,238.42

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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.