Home / 12,335.45-18,504.39-4,543.25

Finding the Fourth Proportional to 12,335.45, 18,504.39 and 4,543.25

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Solution

The fourth proportional to 12,335.45, 18,504.39 and 4,543.25 is: 6,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.45 : 18,504.39 = 4,543.25 : x
  2. Step 2: Convert to fraction form
    12,335.45/18,504.39 = 4,543.25/x
  3. Step 3: Cross multiply
    12,335.45x = 18,504.39 × 4,543.25
  4. Step 4: Simplify right side
    12,335.45x = 84,070,069.87
  5. Step 5: Solve for x
    x = 84,070,069.87/12,335.45
  6. Step 6: Final answer
    x = 6,815.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.