Home / 18,486.44-25,508.32-10,528.80

Finding the Fourth Proportional to 18,486.44, 25,508.32 and 10,528.80

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Solution

The fourth proportional to 18,486.44, 25,508.32 and 10,528.80 is: 14,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.44 : 25,508.32 = 10,528.80 : x
  2. Step 2: Convert to fraction form
    18,486.44/25,508.32 = 10,528.80/x
  3. Step 3: Cross multiply
    18,486.44x = 25,508.32 × 10,528.80
  4. Step 4: Simplify right side
    18,486.44x = 268,571,999.62
  5. Step 5: Solve for x
    x = 268,571,999.62/18,486.44
  6. Step 6: Final answer
    x = 14,528.05

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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.