Home / 13,597.36-20,399.28-5,277.58

Finding the Fourth Proportional to 13,597.36, 20,399.28 and 5,277.58

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Solution

The fourth proportional to 13,597.36, 20,399.28 and 5,277.58 is: 7,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.36 : 20,399.28 = 5,277.58 : x
  2. Step 2: Convert to fraction form
    13,597.36/20,399.28 = 5,277.58/x
  3. Step 3: Cross multiply
    13,597.36x = 20,399.28 × 5,277.58
  4. Step 4: Simplify right side
    13,597.36x = 107,658,832.14
  5. Step 5: Solve for x
    x = 107,658,832.14/13,597.36
  6. Step 6: Final answer
    x = 7,917.63

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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.