Home / 10,075.86-15,098.37-4,229.28

Finding the Fourth Proportional to 10,075.86, 15,098.37 and 4,229.28

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Solution

The fourth proportional to 10,075.86, 15,098.37 and 4,229.28 is: 6,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.86 : 15,098.37 = 4,229.28 : x
  2. Step 2: Convert to fraction form
    10,075.86/15,098.37 = 4,229.28/x
  3. Step 3: Cross multiply
    10,075.86x = 15,098.37 × 4,229.28
  4. Step 4: Simplify right side
    10,075.86x = 63,855,234.27
  5. Step 5: Solve for x
    x = 63,855,234.27/10,075.86
  6. Step 6: Final answer
    x = 6,337.45

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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.