Home / 12,082.48-18,128.93-6,539.73

Finding the Fourth Proportional to 12,082.48, 18,128.93 and 6,539.73

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Solution

The fourth proportional to 12,082.48, 18,128.93 and 6,539.73 is: 9,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.48 : 18,128.93 = 6,539.73 : x
  2. Step 2: Convert to fraction form
    12,082.48/18,128.93 = 6,539.73/x
  3. Step 3: Cross multiply
    12,082.48x = 18,128.93 × 6,539.73
  4. Step 4: Simplify right side
    12,082.48x = 118,558,307.39
  5. Step 5: Solve for x
    x = 118,558,307.39/12,082.48
  6. Step 6: Final answer
    x = 9,812.41

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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.