Home / 20,534.37-28,337.42-11,102.93

Finding the Fourth Proportional to 20,534.37, 28,337.42 and 11,102.93

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Solution

The fourth proportional to 20,534.37, 28,337.42 and 11,102.93 is: 15,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.37 : 28,337.42 = 11,102.93 : x
  2. Step 2: Convert to fraction form
    20,534.37/28,337.42 = 11,102.93/x
  3. Step 3: Cross multiply
    20,534.37x = 28,337.42 × 11,102.93
  4. Step 4: Simplify right side
    20,534.37x = 314,628,390.64
  5. Step 5: Solve for x
    x = 314,628,390.64/20,534.37
  6. Step 6: Final answer
    x = 15,322.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.