Home / 18,555.04-27,832.97-11,165.68

Finding the Fourth Proportional to 18,555.04, 27,832.97 and 11,165.68

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Solution

The fourth proportional to 18,555.04, 27,832.97 and 11,165.68 is: 16,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.04 : 27,832.97 = 11,165.68 : x
  2. Step 2: Convert to fraction form
    18,555.04/27,832.97 = 11,165.68/x
  3. Step 3: Cross multiply
    18,555.04x = 27,832.97 × 11,165.68
  4. Step 4: Simplify right side
    18,555.04x = 310,774,036.47
  5. Step 5: Solve for x
    x = 310,774,036.47/18,555.04
  6. Step 6: Final answer
    x = 16,748.77

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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.