Home / 13,465.65-20,185.68-4,698.21

Finding the Fourth Proportional to 13,465.65, 20,185.68 and 4,698.21

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Solution

The fourth proportional to 13,465.65, 20,185.68 and 4,698.21 is: 7,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.65 : 20,185.68 = 4,698.21 : x
  2. Step 2: Convert to fraction form
    13,465.65/20,185.68 = 4,698.21/x
  3. Step 3: Cross multiply
    13,465.65x = 20,185.68 × 4,698.21
  4. Step 4: Simplify right side
    13,465.65x = 94,836,563.63
  5. Step 5: Solve for x
    x = 94,836,563.63/13,465.65
  6. Step 6: Final answer
    x = 7,042.85

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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.