Home / 14,847.30-22,221.81-12,387.06

Finding the Fourth Proportional to 14,847.30, 22,221.81 and 12,387.06

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Solution

The fourth proportional to 14,847.30, 22,221.81 and 12,387.06 is: 18,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.30 : 22,221.81 = 12,387.06 : x
  2. Step 2: Convert to fraction form
    14,847.30/22,221.81 = 12,387.06/x
  3. Step 3: Cross multiply
    14,847.30x = 22,221.81 × 12,387.06
  4. Step 4: Simplify right side
    14,847.30x = 275,262,893.78
  5. Step 5: Solve for x
    x = 275,262,893.78/14,847.30
  6. Step 6: Final answer
    x = 18,539.59

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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.