Home / 11,435.04-15,779.24-6,398.96

Finding the Fourth Proportional to 11,435.04, 15,779.24 and 6,398.96

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Solution

The fourth proportional to 11,435.04, 15,779.24 and 6,398.96 is: 8,829.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435.04 : 15,779.24 = 6,398.96 : x
  2. Step 2: Convert to fraction form
    11,435.04/15,779.24 = 6,398.96/x
  3. Step 3: Cross multiply
    11,435.04x = 15,779.24 × 6,398.96
  4. Step 4: Simplify right side
    11,435.04x = 100,970,725.59
  5. Step 5: Solve for x
    x = 100,970,725.59/11,435.04
  6. Step 6: Final answer
    x = 8,829.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.