Home / 20,112.16-30,170.01-7,462.06

Finding the Fourth Proportional to 20,112.16, 30,170.01 and 7,462.06

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Solution

The fourth proportional to 20,112.16, 30,170.01 and 7,462.06 is: 11,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.16 : 30,170.01 = 7,462.06 : x
  2. Step 2: Convert to fraction form
    20,112.16/30,170.01 = 7,462.06/x
  3. Step 3: Cross multiply
    20,112.16x = 30,170.01 × 7,462.06
  4. Step 4: Simplify right side
    20,112.16x = 225,130,424.82
  5. Step 5: Solve for x
    x = 225,130,424.82/20,112.16
  6. Step 6: Final answer
    x = 11,193.75

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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.