Home / 10,168.94-15,237.01-8,320.93

Finding the Fourth Proportional to 10,168.94, 15,237.01 and 8,320.93

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Solution

The fourth proportional to 10,168.94, 15,237.01 and 8,320.93 is: 12,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.94 : 15,237.01 = 8,320.93 : x
  2. Step 2: Convert to fraction form
    10,168.94/15,237.01 = 8,320.93/x
  3. Step 3: Cross multiply
    10,168.94x = 15,237.01 × 8,320.93
  4. Step 4: Simplify right side
    10,168.94x = 126,786,065.93
  5. Step 5: Solve for x
    x = 126,786,065.93/10,168.94
  6. Step 6: Final answer
    x = 12,467.97

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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.