Home / 19,539.34-29,319.54-12,968.62

Finding the Fourth Proportional to 19,539.34, 29,319.54 and 12,968.62

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Solution

The fourth proportional to 19,539.34, 29,319.54 and 12,968.62 is: 19,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.34 : 29,319.54 = 12,968.62 : x
  2. Step 2: Convert to fraction form
    19,539.34/29,319.54 = 12,968.62/x
  3. Step 3: Cross multiply
    19,539.34x = 29,319.54 × 12,968.62
  4. Step 4: Simplify right side
    19,539.34x = 380,233,972.83
  5. Step 5: Solve for x
    x = 380,233,972.83/19,539.34
  6. Step 6: Final answer
    x = 19,459.92

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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.