Home / 11,612.58-17,421.49-4,217.02

Finding the Fourth Proportional to 11,612.58, 17,421.49 and 4,217.02

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Solution

The fourth proportional to 11,612.58, 17,421.49 and 4,217.02 is: 6,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.58 : 17,421.49 = 4,217.02 : x
  2. Step 2: Convert to fraction form
    11,612.58/17,421.49 = 4,217.02/x
  3. Step 3: Cross multiply
    11,612.58x = 17,421.49 × 4,217.02
  4. Step 4: Simplify right side
    11,612.58x = 73,466,771.76
  5. Step 5: Solve for x
    x = 73,466,771.76/11,612.58
  6. Step 6: Final answer
    x = 6,326.48

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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.