Home / 16,920.32-23,327.67-13,884.32

Finding the Fourth Proportional to 16,920.32, 23,327.67 and 13,884.32

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Solution

The fourth proportional to 16,920.32, 23,327.67 and 13,884.32 is: 19,142.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.32 : 23,327.67 = 13,884.32 : x
  2. Step 2: Convert to fraction form
    16,920.32/23,327.67 = 13,884.32/x
  3. Step 3: Cross multiply
    16,920.32x = 23,327.67 × 13,884.32
  4. Step 4: Simplify right side
    16,920.32x = 323,888,835.13
  5. Step 5: Solve for x
    x = 323,888,835.13/16,920.32
  6. Step 6: Final answer
    x = 19,142.00

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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.