Home / 13,992.40-20,984.19-4,630.29

Finding the Fourth Proportional to 13,992.40, 20,984.19 and 4,630.29

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Solution

The fourth proportional to 13,992.40, 20,984.19 and 4,630.29 is: 6,943.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.40 : 20,984.19 = 4,630.29 : x
  2. Step 2: Convert to fraction form
    13,992.40/20,984.19 = 4,630.29/x
  3. Step 3: Cross multiply
    13,992.40x = 20,984.19 × 4,630.29
  4. Step 4: Simplify right side
    13,992.40x = 97,162,885.12
  5. Step 5: Solve for x
    x = 97,162,885.12/13,992.40
  6. Step 6: Final answer
    x = 6,943.98

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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.