Home / 15,777.92-23,660.72-5,911.82

Finding the Fourth Proportional to 15,777.92, 23,660.72 and 5,911.82

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Solution

The fourth proportional to 15,777.92, 23,660.72 and 5,911.82 is: 8,865.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777.92 : 23,660.72 = 5,911.82 : x
  2. Step 2: Convert to fraction form
    15,777.92/23,660.72 = 5,911.82/x
  3. Step 3: Cross multiply
    15,777.92x = 23,660.72 × 5,911.82
  4. Step 4: Simplify right side
    15,777.92x = 139,877,880.74
  5. Step 5: Solve for x
    x = 139,877,880.74/15,777.92
  6. Step 6: Final answer
    x = 8,865.42

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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.