Home / 11,203.04-16,811.60-4,278.24

Finding the Fourth Proportional to 11,203.04, 16,811.60 and 4,278.24

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Solution

The fourth proportional to 11,203.04, 16,811.60 and 4,278.24 is: 6,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.04 : 16,811.60 = 4,278.24 : x
  2. Step 2: Convert to fraction form
    11,203.04/16,811.60 = 4,278.24/x
  3. Step 3: Cross multiply
    11,203.04x = 16,811.60 × 4,278.24
  4. Step 4: Simplify right side
    11,203.04x = 71,924,059.58
  5. Step 5: Solve for x
    x = 71,924,059.58/11,203.04
  6. Step 6: Final answer
    x = 6,420.05

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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.