Home / 9,920.20-14,869.48-4,075.24

Finding the Fourth Proportional to 9,920.20, 14,869.48 and 4,075.24

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Solution

The fourth proportional to 9,920.20, 14,869.48 and 4,075.24 is: 6,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.20 : 14,869.48 = 4,075.24 : x
  2. Step 2: Convert to fraction form
    9,920.20/14,869.48 = 4,075.24/x
  3. Step 3: Cross multiply
    9,920.20x = 14,869.48 × 4,075.24
  4. Step 4: Simplify right side
    9,920.20x = 60,596,699.68
  5. Step 5: Solve for x
    x = 60,596,699.68/9,920.20
  6. Step 6: Final answer
    x = 6,108.42

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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.