Home / 10,329.12-14,230.08-7,179.84

Finding the Fourth Proportional to 10,329.12, 14,230.08 and 7,179.84

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Solution

The fourth proportional to 10,329.12, 14,230.08 and 7,179.84 is: 9,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.12 : 14,230.08 = 7,179.84 : x
  2. Step 2: Convert to fraction form
    10,329.12/14,230.08 = 7,179.84/x
  3. Step 3: Cross multiply
    10,329.12x = 14,230.08 × 7,179.84
  4. Step 4: Simplify right side
    10,329.12x = 102,169,697.59
  5. Step 5: Solve for x
    x = 102,169,697.59/10,329.12
  6. Step 6: Final answer
    x = 9,891.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.