Home / 13,897.81-20,849.96-4,037.28

Finding the Fourth Proportional to 13,897.81, 20,849.96 and 4,037.28

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Solution

The fourth proportional to 13,897.81, 20,849.96 and 4,037.28 is: 6,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.81 : 20,849.96 = 4,037.28 : x
  2. Step 2: Convert to fraction form
    13,897.81/20,849.96 = 4,037.28/x
  3. Step 3: Cross multiply
    13,897.81x = 20,849.96 × 4,037.28
  4. Step 4: Simplify right side
    13,897.81x = 84,177,126.51
  5. Step 5: Solve for x
    x = 84,177,126.51/13,897.81
  6. Step 6: Final answer
    x = 6,056.86

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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.