Home / 18,528.48-27,786.24-10,784.88

Finding the Fourth Proportional to 18,528.48, 27,786.24 and 10,784.88

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Solution

The fourth proportional to 18,528.48, 27,786.24 and 10,784.88 is: 16,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.48 : 27,786.24 = 10,784.88 : x
  2. Step 2: Convert to fraction form
    18,528.48/27,786.24 = 10,784.88/x
  3. Step 3: Cross multiply
    18,528.48x = 27,786.24 × 10,784.88
  4. Step 4: Simplify right side
    18,528.48x = 299,671,264.05
  5. Step 5: Solve for x
    x = 299,671,264.05/18,528.48
  6. Step 6: Final answer
    x = 16,173.55

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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.