Home / 16,199.89-22,210.05-15,904.65

Finding the Fourth Proportional to 16,199.89, 22,210.05 and 15,904.65

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Solution

The fourth proportional to 16,199.89, 22,210.05 and 15,904.65 is: 21,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,199.89 : 22,210.05 = 15,904.65 : x
  2. Step 2: Convert to fraction form
    16,199.89/22,210.05 = 15,904.65/x
  3. Step 3: Cross multiply
    16,199.89x = 22,210.05 × 15,904.65
  4. Step 4: Simplify right side
    16,199.89x = 353,242,920.92
  5. Step 5: Solve for x
    x = 353,242,920.92/16,199.89
  6. Step 6: Final answer
    x = 21,805.27

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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.