Home / 10,619.51-15,929.26-3,223.94

Finding the Fourth Proportional to 10,619.51, 15,929.26 and 3,223.94

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Solution

The fourth proportional to 10,619.51, 15,929.26 and 3,223.94 is: 4,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.51 : 15,929.26 = 3,223.94 : x
  2. Step 2: Convert to fraction form
    10,619.51/15,929.26 = 3,223.94/x
  3. Step 3: Cross multiply
    10,619.51x = 15,929.26 × 3,223.94
  4. Step 4: Simplify right side
    10,619.51x = 51,354,890.78
  5. Step 5: Solve for x
    x = 51,354,890.78/10,619.51
  6. Step 6: Final answer
    x = 4,835.90

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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.