Home / 13,913.37-20,871.35-5,030.93

Finding the Fourth Proportional to 13,913.37, 20,871.35 and 5,030.93

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Solution

The fourth proportional to 13,913.37, 20,871.35 and 5,030.93 is: 7,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.37 : 20,871.35 = 5,030.93 : x
  2. Step 2: Convert to fraction form
    13,913.37/20,871.35 = 5,030.93/x
  3. Step 3: Cross multiply
    13,913.37x = 20,871.35 × 5,030.93
  4. Step 4: Simplify right side
    13,913.37x = 105,002,171.34
  5. Step 5: Solve for x
    x = 105,002,171.34/13,913.37
  6. Step 6: Final answer
    x = 7,546.85

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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.