Home / 12,230.10-18,296.55-10,604.70

Finding the Fourth Proportional to 12,230.10, 18,296.55 and 10,604.70

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Solution

The fourth proportional to 12,230.10, 18,296.55 and 10,604.70 is: 15,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.10 : 18,296.55 = 10,604.70 : x
  2. Step 2: Convert to fraction form
    12,230.10/18,296.55 = 10,604.70/x
  3. Step 3: Cross multiply
    12,230.10x = 18,296.55 × 10,604.70
  4. Step 4: Simplify right side
    12,230.10x = 194,029,423.79
  5. Step 5: Solve for x
    x = 194,029,423.79/12,230.10
  6. Step 6: Final answer
    x = 15,864.91

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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.