Home / 15,777.27-23,607.54-12,977.91

Finding the Fourth Proportional to 15,777.27, 23,607.54 and 12,977.91

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Solution

The fourth proportional to 15,777.27, 23,607.54 and 12,977.91 is: 19,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,777.27 : 23,607.54 = 12,977.91 : x
  2. Step 2: Convert to fraction form
    15,777.27/23,607.54 = 12,977.91/x
  3. Step 3: Cross multiply
    15,777.27x = 23,607.54 × 12,977.91
  4. Step 4: Simplify right side
    15,777.27x = 306,376,529.44
  5. Step 5: Solve for x
    x = 306,376,529.44/15,777.27
  6. Step 6: Final answer
    x = 19,418.86

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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.