Home / 11,328.50-15,634.29-6,361.46

Finding the Fourth Proportional to 11,328.50, 15,634.29 and 6,361.46

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Solution

The fourth proportional to 11,328.50, 15,634.29 and 6,361.46 is: 8,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.50 : 15,634.29 = 6,361.46 : x
  2. Step 2: Convert to fraction form
    11,328.50/15,634.29 = 6,361.46/x
  3. Step 3: Cross multiply
    11,328.50x = 15,634.29 × 6,361.46
  4. Step 4: Simplify right side
    11,328.50x = 99,456,910.46
  5. Step 5: Solve for x
    x = 99,456,910.46/11,328.50
  6. Step 6: Final answer
    x = 8,779.35

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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.