Home / 13,528.98-20,288.01-4,761.84

Finding the Fourth Proportional to 13,528.98, 20,288.01 and 4,761.84

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Solution

The fourth proportional to 13,528.98, 20,288.01 and 4,761.84 is: 7,140.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.98 : 20,288.01 = 4,761.84 : x
  2. Step 2: Convert to fraction form
    13,528.98/20,288.01 = 4,761.84/x
  3. Step 3: Cross multiply
    13,528.98x = 20,288.01 × 4,761.84
  4. Step 4: Simplify right side
    13,528.98x = 96,608,257.54
  5. Step 5: Solve for x
    x = 96,608,257.54/13,528.98
  6. Step 6: Final answer
    x = 7,140.84

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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.