Home / 13,160.86-19,745.13-4,401.92

Finding the Fourth Proportional to 13,160.86, 19,745.13 and 4,401.92

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Solution

The fourth proportional to 13,160.86, 19,745.13 and 4,401.92 is: 6,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.86 : 19,745.13 = 4,401.92 : x
  2. Step 2: Convert to fraction form
    13,160.86/19,745.13 = 4,401.92/x
  3. Step 3: Cross multiply
    13,160.86x = 19,745.13 × 4,401.92
  4. Step 4: Simplify right side
    13,160.86x = 86,916,482.65
  5. Step 5: Solve for x
    x = 86,916,482.65/13,160.86
  6. Step 6: Final answer
    x = 6,604.16

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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.