Home / 15,530.55-23,295.83-6,172.80

Finding the Fourth Proportional to 15,530.55, 23,295.83 and 6,172.80

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Solution

The fourth proportional to 15,530.55, 23,295.83 and 6,172.80 is: 9,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.55 : 23,295.83 = 6,172.80 : x
  2. Step 2: Convert to fraction form
    15,530.55/23,295.83 = 6,172.80/x
  3. Step 3: Cross multiply
    15,530.55x = 23,295.83 × 6,172.80
  4. Step 4: Simplify right side
    15,530.55x = 143,800,468.56
  5. Step 5: Solve for x
    x = 143,800,468.56/15,530.55
  6. Step 6: Final answer
    x = 9,259.20

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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.