Home / 11,289.06-15,579.27-7,505.64

Finding the Fourth Proportional to 11,289.06, 15,579.27 and 7,505.64

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Solution

The fourth proportional to 11,289.06, 15,579.27 and 7,505.64 is: 10,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.06 : 15,579.27 = 7,505.64 : x
  2. Step 2: Convert to fraction form
    11,289.06/15,579.27 = 7,505.64/x
  3. Step 3: Cross multiply
    11,289.06x = 15,579.27 × 7,505.64
  4. Step 4: Simplify right side
    11,289.06x = 116,932,392.08
  5. Step 5: Solve for x
    x = 116,932,392.08/11,289.06
  6. Step 6: Final answer
    x = 10,358.03

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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.