Home / 9,428.60-13,013.30-6,241.96

Finding the Fourth Proportional to 9,428.60, 13,013.30 and 6,241.96

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Solution

The fourth proportional to 9,428.60, 13,013.30 and 6,241.96 is: 8,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.60 : 13,013.30 = 6,241.96 : x
  2. Step 2: Convert to fraction form
    9,428.60/13,013.30 = 6,241.96/x
  3. Step 3: Cross multiply
    9,428.60x = 13,013.30 × 6,241.96
  4. Step 4: Simplify right side
    9,428.60x = 81,228,457.73
  5. Step 5: Solve for x
    x = 81,228,457.73/9,428.60
  6. Step 6: Final answer
    x = 8,615.11

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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.