Home / 10,893.11-15,032.48-6,419.61

Finding the Fourth Proportional to 10,893.11, 15,032.48 and 6,419.61

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Solution

The fourth proportional to 10,893.11, 15,032.48 and 6,419.61 is: 8,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.11 : 15,032.48 = 6,419.61 : x
  2. Step 2: Convert to fraction form
    10,893.11/15,032.48 = 6,419.61/x
  3. Step 3: Cross multiply
    10,893.11x = 15,032.48 × 6,419.61
  4. Step 4: Simplify right side
    10,893.11x = 96,502,626.83
  5. Step 5: Solve for x
    x = 96,502,626.83/10,893.11
  6. Step 6: Final answer
    x = 8,859.06

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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.