Home / 20,235.96-27,893.16-12,263.13

Finding the Fourth Proportional to 20,235.96, 27,893.16 and 12,263.13

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Solution

The fourth proportional to 20,235.96, 27,893.16 and 12,263.13 is: 16,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.96 : 27,893.16 = 12,263.13 : x
  2. Step 2: Convert to fraction form
    20,235.96/27,893.16 = 12,263.13/x
  3. Step 3: Cross multiply
    20,235.96x = 27,893.16 × 12,263.13
  4. Step 4: Simplify right side
    20,235.96x = 342,057,447.19
  5. Step 5: Solve for x
    x = 342,057,447.19/20,235.96
  6. Step 6: Final answer
    x = 16,903.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.