Home / 18,335.04-27,487.98-7,939.50

Finding the Fourth Proportional to 18,335.04, 27,487.98 and 7,939.50

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Solution

The fourth proportional to 18,335.04, 27,487.98 and 7,939.50 is: 11,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.04 : 27,487.98 = 7,939.50 : x
  2. Step 2: Convert to fraction form
    18,335.04/27,487.98 = 7,939.50/x
  3. Step 3: Cross multiply
    18,335.04x = 27,487.98 × 7,939.50
  4. Step 4: Simplify right side
    18,335.04x = 218,240,817.21
  5. Step 5: Solve for x
    x = 218,240,817.21/18,335.04
  6. Step 6: Final answer
    x = 11,902.94

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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.