Home / 18,841.84-28,266.75-7,154.80

Finding the Fourth Proportional to 18,841.84, 28,266.75 and 7,154.80

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Solution

The fourth proportional to 18,841.84, 28,266.75 and 7,154.80 is: 10,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.84 : 28,266.75 = 7,154.80 : x
  2. Step 2: Convert to fraction form
    18,841.84/28,266.75 = 7,154.80/x
  3. Step 3: Cross multiply
    18,841.84x = 28,266.75 × 7,154.80
  4. Step 4: Simplify right side
    18,841.84x = 202,242,819.45
  5. Step 5: Solve for x
    x = 202,242,819.45/18,841.84
  6. Step 6: Final answer
    x = 10,733.71

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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.