Home / 13,226.75-19,833.61-6,555.59

Finding the Fourth Proportional to 13,226.75, 19,833.61 and 6,555.59

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Solution

The fourth proportional to 13,226.75, 19,833.61 and 6,555.59 is: 9,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.75 : 19,833.61 = 6,555.59 : x
  2. Step 2: Convert to fraction form
    13,226.75/19,833.61 = 6,555.59/x
  3. Step 3: Cross multiply
    13,226.75x = 19,833.61 × 6,555.59
  4. Step 4: Simplify right side
    13,226.75x = 130,021,015.38
  5. Step 5: Solve for x
    x = 130,021,015.38/13,226.75
  6. Step 6: Final answer
    x = 9,830.16

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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.