Home / 18,767.12-28,094.59-11,349.14

Finding the Fourth Proportional to 18,767.12, 28,094.59 and 11,349.14

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Solution

The fourth proportional to 18,767.12, 28,094.59 and 11,349.14 is: 16,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.12 : 28,094.59 = 11,349.14 : x
  2. Step 2: Convert to fraction form
    18,767.12/28,094.59 = 11,349.14/x
  3. Step 3: Cross multiply
    18,767.12x = 28,094.59 × 11,349.14
  4. Step 4: Simplify right side
    18,767.12x = 318,849,435.15
  5. Step 5: Solve for x
    x = 318,849,435.15/18,767.12
  6. Step 6: Final answer
    x = 16,989.79

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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.