Home / 10,321.09-15,476.98-2,923.80

Finding the Fourth Proportional to 10,321.09, 15,476.98 and 2,923.80

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Solution

The fourth proportional to 10,321.09, 15,476.98 and 2,923.80 is: 4,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.09 : 15,476.98 = 2,923.80 : x
  2. Step 2: Convert to fraction form
    10,321.09/15,476.98 = 2,923.80/x
  3. Step 3: Cross multiply
    10,321.09x = 15,476.98 × 2,923.80
  4. Step 4: Simplify right side
    10,321.09x = 45,251,594.12
  5. Step 5: Solve for x
    x = 45,251,594.12/10,321.09
  6. Step 6: Final answer
    x = 4,384.38

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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.