Home / 23,179.77-34,775.53-12,646.94

Finding the Fourth Proportional to 23,179.77, 34,775.53 and 12,646.94

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Solution

The fourth proportional to 23,179.77, 34,775.53 and 12,646.94 is: 18,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.77 : 34,775.53 = 12,646.94 : x
  2. Step 2: Convert to fraction form
    23,179.77/34,775.53 = 12,646.94/x
  3. Step 3: Cross multiply
    23,179.77x = 34,775.53 × 12,646.94
  4. Step 4: Simplify right side
    23,179.77x = 439,803,835.88
  5. Step 5: Solve for x
    x = 439,803,835.88/23,179.77
  6. Step 6: Final answer
    x = 18,973.61

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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.