Home / 11,038.06-15,237.94-7,519.72

Finding the Fourth Proportional to 11,038.06, 15,237.94 and 7,519.72

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Solution

The fourth proportional to 11,038.06, 15,237.94 and 7,519.72 is: 10,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.06 : 15,237.94 = 7,519.72 : x
  2. Step 2: Convert to fraction form
    11,038.06/15,237.94 = 7,519.72/x
  3. Step 3: Cross multiply
    11,038.06x = 15,237.94 × 7,519.72
  4. Step 4: Simplify right side
    11,038.06x = 114,585,042.18
  5. Step 5: Solve for x
    x = 114,585,042.18/11,038.06
  6. Step 6: Final answer
    x = 10,380.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.