Home / 11,581.56-15,920.73-11,508.68

Finding the Fourth Proportional to 11,581.56, 15,920.73 and 11,508.68

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Solution

The fourth proportional to 11,581.56, 15,920.73 and 11,508.68 is: 15,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.56 : 15,920.73 = 11,508.68 : x
  2. Step 2: Convert to fraction form
    11,581.56/15,920.73 = 11,508.68/x
  3. Step 3: Cross multiply
    11,581.56x = 15,920.73 × 11,508.68
  4. Step 4: Simplify right side
    11,581.56x = 183,226,586.94
  5. Step 5: Solve for x
    x = 183,226,586.94/11,581.56
  6. Step 6: Final answer
    x = 15,820.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.