Home / 11,009.20-16,514.56-4,435.40

Finding the Fourth Proportional to 11,009.20, 16,514.56 and 4,435.40

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Solution

The fourth proportional to 11,009.20, 16,514.56 and 4,435.40 is: 6,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.20 : 16,514.56 = 4,435.40 : x
  2. Step 2: Convert to fraction form
    11,009.20/16,514.56 = 4,435.40/x
  3. Step 3: Cross multiply
    11,009.20x = 16,514.56 × 4,435.40
  4. Step 4: Simplify right side
    11,009.20x = 73,248,679.42
  5. Step 5: Solve for x
    x = 73,248,679.42/11,009.20
  6. Step 6: Final answer
    x = 6,653.41

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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.