Home / 11,558.70-15,950.93-6,781.52

Finding the Fourth Proportional to 11,558.70, 15,950.93 and 6,781.52

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Solution

The fourth proportional to 11,558.70, 15,950.93 and 6,781.52 is: 9,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.70 : 15,950.93 = 6,781.52 : x
  2. Step 2: Convert to fraction form
    11,558.70/15,950.93 = 6,781.52/x
  3. Step 3: Cross multiply
    11,558.70x = 15,950.93 × 6,781.52
  4. Step 4: Simplify right side
    11,558.70x = 108,171,556.78
  5. Step 5: Solve for x
    x = 108,171,556.78/11,558.70
  6. Step 6: Final answer
    x = 9,358.45

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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.