Home / 13,357.08-20,035.21-5,565.69

Finding the Fourth Proportional to 13,357.08, 20,035.21 and 5,565.69

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Solution

The fourth proportional to 13,357.08, 20,035.21 and 5,565.69 is: 8,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.08 : 20,035.21 = 5,565.69 : x
  2. Step 2: Convert to fraction form
    13,357.08/20,035.21 = 5,565.69/x
  3. Step 3: Cross multiply
    13,357.08x = 20,035.21 × 5,565.69
  4. Step 4: Simplify right side
    13,357.08x = 111,509,767.94
  5. Step 5: Solve for x
    x = 111,509,767.94/13,357.08
  6. Step 6: Final answer
    x = 8,348.36

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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.