Home / 22,359.26-30,855.76-12,288.35

Finding the Fourth Proportional to 22,359.26, 30,855.76 and 12,288.35

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Solution

The fourth proportional to 22,359.26, 30,855.76 and 12,288.35 is: 16,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.26 : 30,855.76 = 12,288.35 : x
  2. Step 2: Convert to fraction form
    22,359.26/30,855.76 = 12,288.35/x
  3. Step 3: Cross multiply
    22,359.26x = 30,855.76 × 12,288.35
  4. Step 4: Simplify right side
    22,359.26x = 379,166,378.40
  5. Step 5: Solve for x
    x = 379,166,378.40/22,359.26
  6. Step 6: Final answer
    x = 16,957.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.