Home / 11,281.50-16,903.98-6,885.60

Finding the Fourth Proportional to 11,281.50, 16,903.98 and 6,885.60

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Solution

The fourth proportional to 11,281.50, 16,903.98 and 6,885.60 is: 10,317.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.50 : 16,903.98 = 6,885.60 : x
  2. Step 2: Convert to fraction form
    11,281.50/16,903.98 = 6,885.60/x
  3. Step 3: Cross multiply
    11,281.50x = 16,903.98 × 6,885.60
  4. Step 4: Simplify right side
    11,281.50x = 116,394,044.69
  5. Step 5: Solve for x
    x = 116,394,044.69/11,281.50
  6. Step 6: Final answer
    x = 10,317.25

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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.