Home / 11,137.55-15,370.07-6,357.40

Finding the Fourth Proportional to 11,137.55, 15,370.07 and 6,357.40

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Solution

The fourth proportional to 11,137.55, 15,370.07 and 6,357.40 is: 8,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.55 : 15,370.07 = 6,357.40 : x
  2. Step 2: Convert to fraction form
    11,137.55/15,370.07 = 6,357.40/x
  3. Step 3: Cross multiply
    11,137.55x = 15,370.07 × 6,357.40
  4. Step 4: Simplify right side
    11,137.55x = 97,713,683.02
  5. Step 5: Solve for x
    x = 97,713,683.02/11,137.55
  6. Step 6: Final answer
    x = 8,773.36

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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.