Home / 18,676.08-28,004.40-5,526.68

Finding the Fourth Proportional to 18,676.08, 28,004.40 and 5,526.68

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Solution

The fourth proportional to 18,676.08, 28,004.40 and 5,526.68 is: 8,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.08 : 28,004.40 = 5,526.68 : x
  2. Step 2: Convert to fraction form
    18,676.08/28,004.40 = 5,526.68/x
  3. Step 3: Cross multiply
    18,676.08x = 28,004.40 × 5,526.68
  4. Step 4: Simplify right side
    18,676.08x = 154,771,217.37
  5. Step 5: Solve for x
    x = 154,771,217.37/18,676.08
  6. Step 6: Final answer
    x = 8,287.14

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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.