Home / 13,435.29-20,156.62-4,075.61

Finding the Fourth Proportional to 13,435.29, 20,156.62 and 4,075.61

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Solution

The fourth proportional to 13,435.29, 20,156.62 and 4,075.61 is: 6,114.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.29 : 20,156.62 = 4,075.61 : x
  2. Step 2: Convert to fraction form
    13,435.29/20,156.62 = 4,075.61/x
  3. Step 3: Cross multiply
    13,435.29x = 20,156.62 × 4,075.61
  4. Step 4: Simplify right side
    13,435.29x = 82,150,501.66
  5. Step 5: Solve for x
    x = 82,150,501.66/13,435.29
  6. Step 6: Final answer
    x = 6,114.53

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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.