Home / 13,528.62-20,288.07-5,204.45

Finding the Fourth Proportional to 13,528.62, 20,288.07 and 5,204.45

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Solution

The fourth proportional to 13,528.62, 20,288.07 and 5,204.45 is: 7,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.62 : 20,288.07 = 5,204.45 : x
  2. Step 2: Convert to fraction form
    13,528.62/20,288.07 = 5,204.45/x
  3. Step 3: Cross multiply
    13,528.62x = 20,288.07 × 5,204.45
  4. Step 4: Simplify right side
    13,528.62x = 105,588,296.63
  5. Step 5: Solve for x
    x = 105,588,296.63/13,528.62
  6. Step 6: Final answer
    x = 7,804.81

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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.