Home / 11,580.56-15,919.36-11,507.68

Finding the Fourth Proportional to 11,580.56, 15,919.36 and 11,507.68

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Solution

The fourth proportional to 11,580.56, 15,919.36 and 11,507.68 is: 15,819.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.56 : 15,919.36 = 11,507.68 : x
  2. Step 2: Convert to fraction form
    11,580.56/15,919.36 = 11,507.68/x
  3. Step 3: Cross multiply
    11,580.56x = 15,919.36 × 11,507.68
  4. Step 4: Simplify right side
    11,580.56x = 183,194,900.68
  5. Step 5: Solve for x
    x = 183,194,900.68/11,580.56
  6. Step 6: Final answer
    x = 15,819.17

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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.