Home / 11,708.82-17,558.64-5,130.41

Finding the Fourth Proportional to 11,708.82, 17,558.64 and 5,130.41

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Solution

The fourth proportional to 11,708.82, 17,558.64 and 5,130.41 is: 7,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.82 : 17,558.64 = 5,130.41 : x
  2. Step 2: Convert to fraction form
    11,708.82/17,558.64 = 5,130.41/x
  3. Step 3: Cross multiply
    11,708.82x = 17,558.64 × 5,130.41
  4. Step 4: Simplify right side
    11,708.82x = 90,082,934.45
  5. Step 5: Solve for x
    x = 90,082,934.45/11,708.82
  6. Step 6: Final answer
    x = 7,693.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.