Home / 15,081.84-22,622.22-3,988.58

Finding the Fourth Proportional to 15,081.84, 22,622.22 and 3,988.58

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Solution

The fourth proportional to 15,081.84, 22,622.22 and 3,988.58 is: 5,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.84 : 22,622.22 = 3,988.58 : x
  2. Step 2: Convert to fraction form
    15,081.84/22,622.22 = 3,988.58/x
  3. Step 3: Cross multiply
    15,081.84x = 22,622.22 × 3,988.58
  4. Step 4: Simplify right side
    15,081.84x = 90,230,421.14
  5. Step 5: Solve for x
    x = 90,230,421.14/15,081.84
  6. Step 6: Final answer
    x = 5,982.72

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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.