Home / 13,021.46-19,532.07-3,160.77

Finding the Fourth Proportional to 13,021.46, 19,532.07 and 3,160.77

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Solution

The fourth proportional to 13,021.46, 19,532.07 and 3,160.77 is: 4,741.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.46 : 19,532.07 = 3,160.77 : x
  2. Step 2: Convert to fraction form
    13,021.46/19,532.07 = 3,160.77/x
  3. Step 3: Cross multiply
    13,021.46x = 19,532.07 × 3,160.77
  4. Step 4: Simplify right side
    13,021.46x = 61,736,380.89
  5. Step 5: Solve for x
    x = 61,736,380.89/13,021.46
  6. Step 6: Final answer
    x = 4,741.13

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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.