Home / 13,596.45-20,387.61-4,830.09

Finding the Fourth Proportional to 13,596.45, 20,387.61 and 4,830.09

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Solution

The fourth proportional to 13,596.45, 20,387.61 and 4,830.09 is: 7,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.45 : 20,387.61 = 4,830.09 : x
  2. Step 2: Convert to fraction form
    13,596.45/20,387.61 = 4,830.09/x
  3. Step 3: Cross multiply
    13,596.45x = 20,387.61 × 4,830.09
  4. Step 4: Simplify right side
    13,596.45x = 98,473,991.18
  5. Step 5: Solve for x
    x = 98,473,991.18/13,596.45
  6. Step 6: Final answer
    x = 7,242.63

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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.