Home / 10,929.12-16,392.69-4,353.54

Finding the Fourth Proportional to 10,929.12, 16,392.69 and 4,353.54

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Solution

The fourth proportional to 10,929.12, 16,392.69 and 4,353.54 is: 6,529.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.12 : 16,392.69 = 4,353.54 : x
  2. Step 2: Convert to fraction form
    10,929.12/16,392.69 = 4,353.54/x
  3. Step 3: Cross multiply
    10,929.12x = 16,392.69 × 4,353.54
  4. Step 4: Simplify right side
    10,929.12x = 71,366,231.62
  5. Step 5: Solve for x
    x = 71,366,231.62/10,929.12
  6. Step 6: Final answer
    x = 6,529.92

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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.