Home / 16,819.56-25,230.15-6,430.50

Finding the Fourth Proportional to 16,819.56, 25,230.15 and 6,430.50

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Solution

The fourth proportional to 16,819.56, 25,230.15 and 6,430.50 is: 9,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.56 : 25,230.15 = 6,430.50 : x
  2. Step 2: Convert to fraction form
    16,819.56/25,230.15 = 6,430.50/x
  3. Step 3: Cross multiply
    16,819.56x = 25,230.15 × 6,430.50
  4. Step 4: Simplify right side
    16,819.56x = 162,242,479.58
  5. Step 5: Solve for x
    x = 162,242,479.58/16,819.56
  6. Step 6: Final answer
    x = 9,646.06

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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.