Home / 18,238.08-27,358.46-6,551.40

Finding the Fourth Proportional to 18,238.08, 27,358.46 and 6,551.40

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Solution

The fourth proportional to 18,238.08, 27,358.46 and 6,551.40 is: 9,827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238.08 : 27,358.46 = 6,551.40 : x
  2. Step 2: Convert to fraction form
    18,238.08/27,358.46 = 6,551.40/x
  3. Step 3: Cross multiply
    18,238.08x = 27,358.46 × 6,551.40
  4. Step 4: Simplify right side
    18,238.08x = 179,236,214.84
  5. Step 5: Solve for x
    x = 179,236,214.84/18,238.08
  6. Step 6: Final answer
    x = 9,827.58

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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.