Home / 9,241.40-13,876.14-8,070.68

Finding the Fourth Proportional to 9,241.40, 13,876.14 and 8,070.68

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Solution

The fourth proportional to 9,241.40, 13,876.14 and 8,070.68 is: 12,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241.40 : 13,876.14 = 8,070.68 : x
  2. Step 2: Convert to fraction form
    9,241.40/13,876.14 = 8,070.68/x
  3. Step 3: Cross multiply
    9,241.40x = 13,876.14 × 8,070.68
  4. Step 4: Simplify right side
    9,241.40x = 111,989,885.58
  5. Step 5: Solve for x
    x = 111,989,885.58/9,241.40
  6. Step 6: Final answer
    x = 12,118.28

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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.