Home / 11,264.57-16,896.89-4,242.70

Finding the Fourth Proportional to 11,264.57, 16,896.89 and 4,242.70

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Solution

The fourth proportional to 11,264.57, 16,896.89 and 4,242.70 is: 6,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.57 : 16,896.89 = 4,242.70 : x
  2. Step 2: Convert to fraction form
    11,264.57/16,896.89 = 4,242.70/x
  3. Step 3: Cross multiply
    11,264.57x = 16,896.89 × 4,242.70
  4. Step 4: Simplify right side
    11,264.57x = 71,688,401.56
  5. Step 5: Solve for x
    x = 71,688,401.56/11,264.57
  6. Step 6: Final answer
    x = 6,364.06

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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.