Home / 9,966.81-14,945.02-3,721.68

Finding the Fourth Proportional to 9,966.81, 14,945.02 and 3,721.68

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Solution

The fourth proportional to 9,966.81, 14,945.02 and 3,721.68 is: 5,580.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.81 : 14,945.02 = 3,721.68 : x
  2. Step 2: Convert to fraction form
    9,966.81/14,945.02 = 3,721.68/x
  3. Step 3: Cross multiply
    9,966.81x = 14,945.02 × 3,721.68
  4. Step 4: Simplify right side
    9,966.81x = 55,620,609.49
  5. Step 5: Solve for x
    x = 55,620,609.49/9,966.81
  6. Step 6: Final answer
    x = 5,580.59

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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.