Home / 20,363.43-28,092.04-12,813.93

Finding the Fourth Proportional to 20,363.43, 28,092.04 and 12,813.93

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Solution

The fourth proportional to 20,363.43, 28,092.04 and 12,813.93 is: 17,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.43 : 28,092.04 = 12,813.93 : x
  2. Step 2: Convert to fraction form
    20,363.43/28,092.04 = 12,813.93/x
  3. Step 3: Cross multiply
    20,363.43x = 28,092.04 × 12,813.93
  4. Step 4: Simplify right side
    20,363.43x = 359,969,402.08
  5. Step 5: Solve for x
    x = 359,969,402.08/20,363.43
  6. Step 6: Final answer
    x = 17,677.24

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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.