Home / 18,522.96-25,539.36-12,862.56

Finding the Fourth Proportional to 18,522.96, 25,539.36 and 12,862.56

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Solution

The fourth proportional to 18,522.96, 25,539.36 and 12,862.56 is: 17,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.96 : 25,539.36 = 12,862.56 : x
  2. Step 2: Convert to fraction form
    18,522.96/25,539.36 = 12,862.56/x
  3. Step 3: Cross multiply
    18,522.96x = 25,539.36 × 12,862.56
  4. Step 4: Simplify right side
    18,522.96x = 328,501,550.36
  5. Step 5: Solve for x
    x = 328,501,550.36/18,522.96
  6. Step 6: Final answer
    x = 17,734.83

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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.