Home / 13,125.50-19,666.33-9,222.92

Finding the Fourth Proportional to 13,125.50, 19,666.33 and 9,222.92

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Solution

The fourth proportional to 13,125.50, 19,666.33 and 9,222.92 is: 13,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.50 : 19,666.33 = 9,222.92 : x
  2. Step 2: Convert to fraction form
    13,125.50/19,666.33 = 9,222.92/x
  3. Step 3: Cross multiply
    13,125.50x = 19,666.33 × 9,222.92
  4. Step 4: Simplify right side
    13,125.50x = 181,380,843.84
  5. Step 5: Solve for x
    x = 181,380,843.84/13,125.50
  6. Step 6: Final answer
    x = 13,818.97

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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.