Home / 16,642.80-22,996.32-13,313.04

Finding the Fourth Proportional to 16,642.80, 22,996.32 and 13,313.04

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Solution

The fourth proportional to 16,642.80, 22,996.32 and 13,313.04 is: 18,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642.80 : 22,996.32 = 13,313.04 : x
  2. Step 2: Convert to fraction form
    16,642.80/22,996.32 = 13,313.04/x
  3. Step 3: Cross multiply
    16,642.80x = 22,996.32 × 13,313.04
  4. Step 4: Simplify right side
    16,642.80x = 306,150,928.01
  5. Step 5: Solve for x
    x = 306,150,928.01/16,642.80
  6. Step 6: Final answer
    x = 18,395.40

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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.