Home / 18,638.18-27,962.14-6,951.50

Finding the Fourth Proportional to 18,638.18, 27,962.14 and 6,951.50

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Solution

The fourth proportional to 18,638.18, 27,962.14 and 6,951.50 is: 10,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638.18 : 27,962.14 = 6,951.50 : x
  2. Step 2: Convert to fraction form
    18,638.18/27,962.14 = 6,951.50/x
  3. Step 3: Cross multiply
    18,638.18x = 27,962.14 × 6,951.50
  4. Step 4: Simplify right side
    18,638.18x = 194,378,816.21
  5. Step 5: Solve for x
    x = 194,378,816.21/18,638.18
  6. Step 6: Final answer
    x = 10,429.07

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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.