Home / 23,323.68-34,992-12,942.72

Finding the Fourth Proportional to 23,323.68, 34,992 and 12,942.72

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Solution

The fourth proportional to 23,323.68, 34,992 and 12,942.72 is: 19,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,323.68 : 34,992 = 12,942.72 : x
  2. Step 2: Convert to fraction form
    23,323.68/34,992 = 12,942.72/x
  3. Step 3: Cross multiply
    23,323.68x = 34,992 × 12,942.72
  4. Step 4: Simplify right side
    23,323.68x = 452,891,658.24
  5. Step 5: Solve for x
    x = 452,891,658.24/23,323.68
  6. Step 6: Final answer
    x = 19,417.68

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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.