Home / 17,907.49-26,861.20-4,759.86

Finding the Fourth Proportional to 17,907.49, 26,861.20 and 4,759.86

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Solution

The fourth proportional to 17,907.49, 26,861.20 and 4,759.86 is: 7,139.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.49 : 26,861.20 = 4,759.86 : x
  2. Step 2: Convert to fraction form
    17,907.49/26,861.20 = 4,759.86/x
  3. Step 3: Cross multiply
    17,907.49x = 26,861.20 × 4,759.86
  4. Step 4: Simplify right side
    17,907.49x = 127,855,484.28
  5. Step 5: Solve for x
    x = 127,855,484.28/17,907.49
  6. Step 6: Final answer
    x = 7,139.78

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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.