Home / 11,140.19-15,374.37-6,361.59

Finding the Fourth Proportional to 11,140.19, 15,374.37 and 6,361.59

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Solution

The fourth proportional to 11,140.19, 15,374.37 and 6,361.59 is: 8,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.19 : 15,374.37 = 6,361.59 : x
  2. Step 2: Convert to fraction form
    11,140.19/15,374.37 = 6,361.59/x
  3. Step 3: Cross multiply
    11,140.19x = 15,374.37 × 6,361.59
  4. Step 4: Simplify right side
    11,140.19x = 97,805,438.45
  5. Step 5: Solve for x
    x = 97,805,438.45/11,140.19
  6. Step 6: Final answer
    x = 8,779.51

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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.