Home / 13,903.38-20,852.19-5,132.28

Finding the Fourth Proportional to 13,903.38, 20,852.19 and 5,132.28

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Solution

The fourth proportional to 13,903.38, 20,852.19 and 5,132.28 is: 7,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.38 : 20,852.19 = 5,132.28 : x
  2. Step 2: Convert to fraction form
    13,903.38/20,852.19 = 5,132.28/x
  3. Step 3: Cross multiply
    13,903.38x = 20,852.19 × 5,132.28
  4. Step 4: Simplify right side
    13,903.38x = 107,019,277.69
  5. Step 5: Solve for x
    x = 107,019,277.69/13,903.38
  6. Step 6: Final answer
    x = 7,697.36

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1.5x scale

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.