Home / 19,137.90-28,714.23-6,659.22

Finding the Fourth Proportional to 19,137.90, 28,714.23 and 6,659.22

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Solution

The fourth proportional to 19,137.90, 28,714.23 and 6,659.22 is: 9,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.90 : 28,714.23 = 6,659.22 : x
  2. Step 2: Convert to fraction form
    19,137.90/28,714.23 = 6,659.22/x
  3. Step 3: Cross multiply
    19,137.90x = 28,714.23 × 6,659.22
  4. Step 4: Simplify right side
    19,137.90x = 191,214,374.70
  5. Step 5: Solve for x
    x = 191,214,374.70/19,137.90
  6. Step 6: Final answer
    x = 9,991.40

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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.