Home / 18,755.07-25,888.52-10,800.47

Finding the Fourth Proportional to 18,755.07, 25,888.52 and 10,800.47

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Solution

The fourth proportional to 18,755.07, 25,888.52 and 10,800.47 is: 14,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.07 : 25,888.52 = 10,800.47 : x
  2. Step 2: Convert to fraction form
    18,755.07/25,888.52 = 10,800.47/x
  3. Step 3: Cross multiply
    18,755.07x = 25,888.52 × 10,800.47
  4. Step 4: Simplify right side
    18,755.07x = 279,608,118.88
  5. Step 5: Solve for x
    x = 279,608,118.88/18,755.07
  6. Step 6: Final answer
    x = 14,908.40

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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.