Home / 16,199.64-22,209.71-15,904.40

Finding the Fourth Proportional to 16,199.64, 22,209.71 and 15,904.40

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Solution

The fourth proportional to 16,199.64, 22,209.71 and 15,904.40 is: 21,804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,199.64 : 22,209.71 = 15,904.40 : x
  2. Step 2: Convert to fraction form
    16,199.64/22,209.71 = 15,904.40/x
  3. Step 3: Cross multiply
    16,199.64x = 22,209.71 × 15,904.40
  4. Step 4: Simplify right side
    16,199.64x = 353,231,921.15
  5. Step 5: Solve for x
    x = 353,231,921.15/16,199.64
  6. Step 6: Final answer
    x = 21,804.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.