Home / 16,604.55-22,898.57-12,821.72

Finding the Fourth Proportional to 16,604.55, 22,898.57 and 12,821.72

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Solution

The fourth proportional to 16,604.55, 22,898.57 and 12,821.72 is: 17,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,604.55 : 22,898.57 = 12,821.72 : x
  2. Step 2: Convert to fraction form
    16,604.55/22,898.57 = 12,821.72/x
  3. Step 3: Cross multiply
    16,604.55x = 22,898.57 × 12,821.72
  4. Step 4: Simplify right side
    16,604.55x = 293,598,874.34
  5. Step 5: Solve for x
    x = 293,598,874.34/16,604.55
  6. Step 6: Final answer
    x = 17,681.83

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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.