Home / 13,176.96-18,184.63-7,511.60

Finding the Fourth Proportional to 13,176.96, 18,184.63 and 7,511.60

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Solution

The fourth proportional to 13,176.96, 18,184.63 and 7,511.60 is: 10,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.96 : 18,184.63 = 7,511.60 : x
  2. Step 2: Convert to fraction form
    13,176.96/18,184.63 = 7,511.60/x
  3. Step 3: Cross multiply
    13,176.96x = 18,184.63 × 7,511.60
  4. Step 4: Simplify right side
    13,176.96x = 136,595,629.15
  5. Step 5: Solve for x
    x = 136,595,629.15/13,176.96
  6. Step 6: Final answer
    x = 10,366.25

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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.