Home / 20,176.84-30,290.46-13,632.04

Finding the Fourth Proportional to 20,176.84, 30,290.46 and 13,632.04

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Solution

The fourth proportional to 20,176.84, 30,290.46 and 13,632.04 is: 20,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.84 : 30,290.46 = 13,632.04 : x
  2. Step 2: Convert to fraction form
    20,176.84/30,290.46 = 13,632.04/x
  3. Step 3: Cross multiply
    20,176.84x = 30,290.46 × 13,632.04
  4. Step 4: Simplify right side
    20,176.84x = 412,920,762.34
  5. Step 5: Solve for x
    x = 412,920,762.34/20,176.84
  6. Step 6: Final answer
    x = 20,465.09

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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.