Home / 18,114.64-27,176.46-6,429.04

Finding the Fourth Proportional to 18,114.64, 27,176.46 and 6,429.04

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Solution

The fourth proportional to 18,114.64, 27,176.46 and 6,429.04 is: 9,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.64 : 27,176.46 = 6,429.04 : x
  2. Step 2: Convert to fraction form
    18,114.64/27,176.46 = 6,429.04/x
  3. Step 3: Cross multiply
    18,114.64x = 27,176.46 × 6,429.04
  4. Step 4: Simplify right side
    18,114.64x = 174,718,548.40
  5. Step 5: Solve for x
    x = 174,718,548.40/18,114.64
  6. Step 6: Final answer
    x = 9,645.16

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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.