Home / 19,634.60-29,441.10-8,539.40

Finding the Fourth Proportional to 19,634.60, 29,441.10 and 8,539.40

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Solution

The fourth proportional to 19,634.60, 29,441.10 and 8,539.40 is: 12,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.60 : 29,441.10 = 8,539.40 : x
  2. Step 2: Convert to fraction form
    19,634.60/29,441.10 = 8,539.40/x
  3. Step 3: Cross multiply
    19,634.60x = 29,441.10 × 8,539.40
  4. Step 4: Simplify right side
    19,634.60x = 251,409,329.34
  5. Step 5: Solve for x
    x = 251,409,329.34/19,634.60
  6. Step 6: Final answer
    x = 12,804.40

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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.