Home / 20,923.93-31,348.95-11,041.41

Finding the Fourth Proportional to 20,923.93, 31,348.95 and 11,041.41

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Solution

The fourth proportional to 20,923.93, 31,348.95 and 11,041.41 is: 16,542.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923.93 : 31,348.95 = 11,041.41 : x
  2. Step 2: Convert to fraction form
    20,923.93/31,348.95 = 11,041.41/x
  3. Step 3: Cross multiply
    20,923.93x = 31,348.95 × 11,041.41
  4. Step 4: Simplify right side
    20,923.93x = 346,136,610.02
  5. Step 5: Solve for x
    x = 346,136,610.02/20,923.93
  6. Step 6: Final answer
    x = 16,542.62

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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.