Home / 18,674.70-28,000.56-9,174.93

Finding the Fourth Proportional to 18,674.70, 28,000.56 and 9,174.93

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Solution

The fourth proportional to 18,674.70, 28,000.56 and 9,174.93 is: 13,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.70 : 28,000.56 = 9,174.93 : x
  2. Step 2: Convert to fraction form
    18,674.70/28,000.56 = 9,174.93/x
  3. Step 3: Cross multiply
    18,674.70x = 28,000.56 × 9,174.93
  4. Step 4: Simplify right side
    18,674.70x = 256,903,177.96
  5. Step 5: Solve for x
    x = 256,903,177.96/18,674.70
  6. Step 6: Final answer
    x = 13,756.75

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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.