Home / 13,992.54-20,988.80-4,630.05

Finding the Fourth Proportional to 13,992.54, 20,988.80 and 4,630.05

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Solution

The fourth proportional to 13,992.54, 20,988.80 and 4,630.05 is: 6,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.54 : 20,988.80 = 4,630.05 : x
  2. Step 2: Convert to fraction form
    13,992.54/20,988.80 = 4,630.05/x
  3. Step 3: Cross multiply
    13,992.54x = 20,988.80 × 4,630.05
  4. Step 4: Simplify right side
    13,992.54x = 97,179,193.44
  5. Step 5: Solve for x
    x = 97,179,193.44/13,992.54
  6. Step 6: Final answer
    x = 6,945.07

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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.