Home / 13,180.09-19,767.85-6,160.74

Finding the Fourth Proportional to 13,180.09, 19,767.85 and 6,160.74

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Solution

The fourth proportional to 13,180.09, 19,767.85 and 6,160.74 is: 9,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.09 : 19,767.85 = 6,160.74 : x
  2. Step 2: Convert to fraction form
    13,180.09/19,767.85 = 6,160.74/x
  3. Step 3: Cross multiply
    13,180.09x = 19,767.85 × 6,160.74
  4. Step 4: Simplify right side
    13,180.09x = 121,784,584.21
  5. Step 5: Solve for x
    x = 121,784,584.21/13,180.09
  6. Step 6: Final answer
    x = 9,240.04

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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.