Home / 12,604.22-18,909.45-5,210.80

Finding the Fourth Proportional to 12,604.22, 18,909.45 and 5,210.80

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Solution

The fourth proportional to 12,604.22, 18,909.45 and 5,210.80 is: 7,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.22 : 18,909.45 = 5,210.80 : x
  2. Step 2: Convert to fraction form
    12,604.22/18,909.45 = 5,210.80/x
  3. Step 3: Cross multiply
    12,604.22x = 18,909.45 × 5,210.80
  4. Step 4: Simplify right side
    12,604.22x = 98,533,314.79
  5. Step 5: Solve for x
    x = 98,533,314.79/12,604.22
  6. Step 6: Final answer
    x = 7,817.48

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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.