Home / 11,089.19-15,302.55-6,308.69

Finding the Fourth Proportional to 11,089.19, 15,302.55 and 6,308.69

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Solution

The fourth proportional to 11,089.19, 15,302.55 and 6,308.69 is: 8,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.19 : 15,302.55 = 6,308.69 : x
  2. Step 2: Convert to fraction form
    11,089.19/15,302.55 = 6,308.69/x
  3. Step 3: Cross multiply
    11,089.19x = 15,302.55 × 6,308.69
  4. Step 4: Simplify right side
    11,089.19x = 96,539,005.90
  5. Step 5: Solve for x
    x = 96,539,005.90/11,089.19
  6. Step 6: Final answer
    x = 8,705.68

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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.