Home / 20,156.87-30,224.93-9,054.03

Finding the Fourth Proportional to 20,156.87, 30,224.93 and 9,054.03

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Solution

The fourth proportional to 20,156.87, 30,224.93 and 9,054.03 is: 13,576.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.87 : 30,224.93 = 9,054.03 : x
  2. Step 2: Convert to fraction form
    20,156.87/30,224.93 = 9,054.03/x
  3. Step 3: Cross multiply
    20,156.87x = 30,224.93 × 9,054.03
  4. Step 4: Simplify right side
    20,156.87x = 273,657,271.84
  5. Step 5: Solve for x
    x = 273,657,271.84/20,156.87
  6. Step 6: Final answer
    x = 13,576.38

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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.