Home / 20,893.47-31,342.93-11,033.13

Finding the Fourth Proportional to 20,893.47, 31,342.93 and 11,033.13

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Solution

The fourth proportional to 20,893.47, 31,342.93 and 11,033.13 is: 16,551.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.47 : 31,342.93 = 11,033.13 : x
  2. Step 2: Convert to fraction form
    20,893.47/31,342.93 = 11,033.13/x
  3. Step 3: Cross multiply
    20,893.47x = 31,342.93 × 11,033.13
  4. Step 4: Simplify right side
    20,893.47x = 345,810,621.27
  5. Step 5: Solve for x
    x = 345,810,621.27/20,893.47
  6. Step 6: Final answer
    x = 16,551.13

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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.