Home / 11,213.81-16,822.70-4,636.31

Finding the Fourth Proportional to 11,213.81, 16,822.70 and 4,636.31

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Solution

The fourth proportional to 11,213.81, 16,822.70 and 4,636.31 is: 6,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.81 : 16,822.70 = 4,636.31 : x
  2. Step 2: Convert to fraction form
    11,213.81/16,822.70 = 4,636.31/x
  3. Step 3: Cross multiply
    11,213.81x = 16,822.70 × 4,636.31
  4. Step 4: Simplify right side
    11,213.81x = 77,995,229.06
  5. Step 5: Solve for x
    x = 77,995,229.06/11,213.81
  6. Step 6: Final answer
    x = 6,955.28

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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.