Home / 11,077.63-15,287.03-6,361.94

Finding the Fourth Proportional to 11,077.63, 15,287.03 and 6,361.94

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Solution

The fourth proportional to 11,077.63, 15,287.03 and 6,361.94 is: 8,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.63 : 15,287.03 = 6,361.94 : x
  2. Step 2: Convert to fraction form
    11,077.63/15,287.03 = 6,361.94/x
  3. Step 3: Cross multiply
    11,077.63x = 15,287.03 × 6,361.94
  4. Step 4: Simplify right side
    11,077.63x = 97,255,197.90
  5. Step 5: Solve for x
    x = 97,255,197.90/11,077.63
  6. Step 6: Final answer
    x = 8,779.42

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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.