Home / 17,420.18-26,122.28-5,571.65

Finding the Fourth Proportional to 17,420.18, 26,122.28 and 5,571.65

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Solution

The fourth proportional to 17,420.18, 26,122.28 and 5,571.65 is: 8,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.18 : 26,122.28 = 5,571.65 : x
  2. Step 2: Convert to fraction form
    17,420.18/26,122.28 = 5,571.65/x
  3. Step 3: Cross multiply
    17,420.18x = 26,122.28 × 5,571.65
  4. Step 4: Simplify right side
    17,420.18x = 145,544,042.89
  5. Step 5: Solve for x
    x = 145,544,042.89/17,420.18
  6. Step 6: Final answer
    x = 8,354.91

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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.