Home / 11,829.48-16,325.82-7,113.66

Finding the Fourth Proportional to 11,829.48, 16,325.82 and 7,113.66

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Solution

The fourth proportional to 11,829.48, 16,325.82 and 7,113.66 is: 9,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.48 : 16,325.82 = 7,113.66 : x
  2. Step 2: Convert to fraction form
    11,829.48/16,325.82 = 7,113.66/x
  3. Step 3: Cross multiply
    11,829.48x = 16,325.82 × 7,113.66
  4. Step 4: Simplify right side
    11,829.48x = 116,136,332.70
  5. Step 5: Solve for x
    x = 116,136,332.70/11,829.48
  6. Step 6: Final answer
    x = 9,817.53

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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.