Home / 18,336.38-25,299.80-10,782.32

Finding the Fourth Proportional to 18,336.38, 25,299.80 and 10,782.32

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Solution

The fourth proportional to 18,336.38, 25,299.80 and 10,782.32 is: 14,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.38 : 25,299.80 = 10,782.32 : x
  2. Step 2: Convert to fraction form
    18,336.38/25,299.80 = 10,782.32/x
  3. Step 3: Cross multiply
    18,336.38x = 25,299.80 × 10,782.32
  4. Step 4: Simplify right side
    18,336.38x = 272,790,539.54
  5. Step 5: Solve for x
    x = 272,790,539.54/18,336.38
  6. Step 6: Final answer
    x = 14,877.01

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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.