Home / 13,345.68-20,021.28-5,025.60

Finding the Fourth Proportional to 13,345.68, 20,021.28 and 5,025.60

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Solution

The fourth proportional to 13,345.68, 20,021.28 and 5,025.60 is: 7,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.68 : 20,021.28 = 5,025.60 : x
  2. Step 2: Convert to fraction form
    13,345.68/20,021.28 = 5,025.60/x
  3. Step 3: Cross multiply
    13,345.68x = 20,021.28 × 5,025.60
  4. Step 4: Simplify right side
    13,345.68x = 100,618,944.77
  5. Step 5: Solve for x
    x = 100,618,944.77/13,345.68
  6. Step 6: Final answer
    x = 7,539.44

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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.