Home / 10,892.20-16,336.86-4,320.04

Finding the Fourth Proportional to 10,892.20, 16,336.86 and 4,320.04

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Solution

The fourth proportional to 10,892.20, 16,336.86 and 4,320.04 is: 6,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.20 : 16,336.86 = 4,320.04 : x
  2. Step 2: Convert to fraction form
    10,892.20/16,336.86 = 4,320.04/x
  3. Step 3: Cross multiply
    10,892.20x = 16,336.86 × 4,320.04
  4. Step 4: Simplify right side
    10,892.20x = 70,575,888.67
  5. Step 5: Solve for x
    x = 70,575,888.67/10,892.20
  6. Step 6: Final answer
    x = 6,479.49

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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.