Home / 17,675.28-26,475.66-12,102.48

Finding the Fourth Proportional to 17,675.28, 26,475.66 and 12,102.48

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Solution

The fourth proportional to 17,675.28, 26,475.66 and 12,102.48 is: 18,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,675.28 : 26,475.66 = 12,102.48 : x
  2. Step 2: Convert to fraction form
    17,675.28/26,475.66 = 12,102.48/x
  3. Step 3: Cross multiply
    17,675.28x = 26,475.66 × 12,102.48
  4. Step 4: Simplify right side
    17,675.28x = 320,421,145.64
  5. Step 5: Solve for x
    x = 320,421,145.64/17,675.28
  6. Step 6: Final answer
    x = 18,128.21

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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.