Home / 11,278.03-15,570.75-7,246.49

Finding the Fourth Proportional to 11,278.03, 15,570.75 and 7,246.49

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Solution

The fourth proportional to 11,278.03, 15,570.75 and 7,246.49 is: 10,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.03 : 15,570.75 = 7,246.49 : x
  2. Step 2: Convert to fraction form
    11,278.03/15,570.75 = 7,246.49/x
  3. Step 3: Cross multiply
    11,278.03x = 15,570.75 × 7,246.49
  4. Step 4: Simplify right side
    11,278.03x = 112,833,247.94
  5. Step 5: Solve for x
    x = 112,833,247.94/11,278.03
  6. Step 6: Final answer
    x = 10,004.69

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Similar ratio
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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.