Home / 15,139.06-22,709.39-4,608.28

Finding the Fourth Proportional to 15,139.06, 22,709.39 and 4,608.28

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Solution

The fourth proportional to 15,139.06, 22,709.39 and 4,608.28 is: 6,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.06 : 22,709.39 = 4,608.28 : x
  2. Step 2: Convert to fraction form
    15,139.06/22,709.39 = 4,608.28/x
  3. Step 3: Cross multiply
    15,139.06x = 22,709.39 × 4,608.28
  4. Step 4: Simplify right side
    15,139.06x = 104,651,227.75
  5. Step 5: Solve for x
    x = 104,651,227.75/15,139.06
  6. Step 6: Final answer
    x = 6,912.66

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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.