Home / 21,030.58-31,541-6,235.94

Finding the Fourth Proportional to 21,030.58, 31,541 and 6,235.94

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Solution

The fourth proportional to 21,030.58, 31,541 and 6,235.94 is: 9,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030.58 : 31,541 = 6,235.94 : x
  2. Step 2: Convert to fraction form
    21,030.58/31,541 = 6,235.94/x
  3. Step 3: Cross multiply
    21,030.58x = 31,541 × 6,235.94
  4. Step 4: Simplify right side
    21,030.58x = 196,687,783.54
  5. Step 5: Solve for x
    x = 196,687,783.54/21,030.58
  6. Step 6: Final answer
    x = 9,352.47

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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.