Home / 12,827.72-19,219.70-10,363.70

Finding the Fourth Proportional to 12,827.72, 19,219.70 and 10,363.70

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Solution

The fourth proportional to 12,827.72, 19,219.70 and 10,363.70 is: 15,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.72 : 19,219.70 = 10,363.70 : x
  2. Step 2: Convert to fraction form
    12,827.72/19,219.70 = 10,363.70/x
  3. Step 3: Cross multiply
    12,827.72x = 19,219.70 × 10,363.70
  4. Step 4: Simplify right side
    12,827.72x = 199,187,204.89
  5. Step 5: Solve for x
    x = 199,187,204.89/12,827.72
  6. Step 6: Final answer
    x = 15,527.87

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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.