Home / 18,837.36-28,256.04-11,041.92

Finding the Fourth Proportional to 18,837.36, 28,256.04 and 11,041.92

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Solution

The fourth proportional to 18,837.36, 28,256.04 and 11,041.92 is: 16,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.36 : 28,256.04 = 11,041.92 : x
  2. Step 2: Convert to fraction form
    18,837.36/28,256.04 = 11,041.92/x
  3. Step 3: Cross multiply
    18,837.36x = 28,256.04 × 11,041.92
  4. Step 4: Simplify right side
    18,837.36x = 312,000,933.20
  5. Step 5: Solve for x
    x = 312,000,933.20/18,837.36
  6. Step 6: Final answer
    x = 16,562.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.