Home / 10,759.08-16,139.70-4,918.44

Finding the Fourth Proportional to 10,759.08, 16,139.70 and 4,918.44

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Solution

The fourth proportional to 10,759.08, 16,139.70 and 4,918.44 is: 7,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,759.08 : 16,139.70 = 4,918.44 : x
  2. Step 2: Convert to fraction form
    10,759.08/16,139.70 = 4,918.44/x
  3. Step 3: Cross multiply
    10,759.08x = 16,139.70 × 4,918.44
  4. Step 4: Simplify right side
    10,759.08x = 79,382,146.07
  5. Step 5: Solve for x
    x = 79,382,146.07/10,759.08
  6. Step 6: Final answer
    x = 7,378.15

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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.