Home / 18,380.34-25,360.45-10,826.08

Finding the Fourth Proportional to 18,380.34, 25,360.45 and 10,826.08

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Solution

The fourth proportional to 18,380.34, 25,360.45 and 10,826.08 is: 14,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.34 : 25,360.45 = 10,826.08 : x
  2. Step 2: Convert to fraction form
    18,380.34/25,360.45 = 10,826.08/x
  3. Step 3: Cross multiply
    18,380.34x = 25,360.45 × 10,826.08
  4. Step 4: Simplify right side
    18,380.34x = 274,554,170.07
  5. Step 5: Solve for x
    x = 274,554,170.07/18,380.34
  6. Step 6: Final answer
    x = 14,937.38

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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.