Home / 13,997.16-20,999.35-5,232.14

Finding the Fourth Proportional to 13,997.16, 20,999.35 and 5,232.14

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Solution

The fourth proportional to 13,997.16, 20,999.35 and 5,232.14 is: 7,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.16 : 20,999.35 = 5,232.14 : x
  2. Step 2: Convert to fraction form
    13,997.16/20,999.35 = 5,232.14/x
  3. Step 3: Cross multiply
    13,997.16x = 20,999.35 × 5,232.14
  4. Step 4: Simplify right side
    13,997.16x = 109,871,539.11
  5. Step 5: Solve for x
    x = 109,871,539.11/13,997.16
  6. Step 6: Final answer
    x = 7,849.56

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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.