Home / 14,610.27-21,934.85-7,689.63

Finding the Fourth Proportional to 14,610.27, 21,934.85 and 7,689.63

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Solution

The fourth proportional to 14,610.27, 21,934.85 and 7,689.63 is: 11,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.27 : 21,934.85 = 7,689.63 : x
  2. Step 2: Convert to fraction form
    14,610.27/21,934.85 = 7,689.63/x
  3. Step 3: Cross multiply
    14,610.27x = 21,934.85 × 7,689.63
  4. Step 4: Simplify right side
    14,610.27x = 168,670,880.61
  5. Step 5: Solve for x
    x = 168,670,880.61/14,610.27
  6. Step 6: Final answer
    x = 11,544.68

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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.