Home / 17,769.40-26,654.10-4,621.78

Finding the Fourth Proportional to 17,769.40, 26,654.10 and 4,621.78

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Solution

The fourth proportional to 17,769.40, 26,654.10 and 4,621.78 is: 6,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769.40 : 26,654.10 = 4,621.78 : x
  2. Step 2: Convert to fraction form
    17,769.40/26,654.10 = 4,621.78/x
  3. Step 3: Cross multiply
    17,769.40x = 26,654.10 × 4,621.78
  4. Step 4: Simplify right side
    17,769.40x = 123,189,386.30
  5. Step 5: Solve for x
    x = 123,189,386.30/17,769.40
  6. Step 6: Final answer
    x = 6,932.67

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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.