Home / 19,168.86-28,738.69-6,013.65

Finding the Fourth Proportional to 19,168.86, 28,738.69 and 6,013.65

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Solution

The fourth proportional to 19,168.86, 28,738.69 and 6,013.65 is: 9,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.86 : 28,738.69 = 6,013.65 : x
  2. Step 2: Convert to fraction form
    19,168.86/28,738.69 = 6,013.65/x
  3. Step 3: Cross multiply
    19,168.86x = 28,738.69 × 6,013.65
  4. Step 4: Simplify right side
    19,168.86x = 172,824,423.12
  5. Step 5: Solve for x
    x = 172,824,423.12/19,168.86
  6. Step 6: Final answer
    x = 9,015.89

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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.