Home / 18,878.09-26,050.42-10,380.00

Finding the Fourth Proportional to 18,878.09, 26,050.42 and 10,380.00

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Solution

The fourth proportional to 18,878.09, 26,050.42 and 10,380.00 is: 14,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.09 : 26,050.42 = 10,380.00 : x
  2. Step 2: Convert to fraction form
    18,878.09/26,050.42 = 10,380.00/x
  3. Step 3: Cross multiply
    18,878.09x = 26,050.42 × 10,380.00
  4. Step 4: Simplify right side
    18,878.09x = 270,403,229.35
  5. Step 5: Solve for x
    x = 270,403,229.35/18,878.09
  6. Step 6: Final answer
    x = 14,323.65

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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.