Home / 13,500.20-18,631.22-7,533.03

Finding the Fourth Proportional to 13,500.20, 18,631.22 and 7,533.03

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Solution

The fourth proportional to 13,500.20, 18,631.22 and 7,533.03 is: 10,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.20 : 18,631.22 = 7,533.03 : x
  2. Step 2: Convert to fraction form
    13,500.20/18,631.22 = 7,533.03/x
  3. Step 3: Cross multiply
    13,500.20x = 18,631.22 × 7,533.03
  4. Step 4: Simplify right side
    13,500.20x = 140,349,571.40
  5. Step 5: Solve for x
    x = 140,349,571.40/13,500.20
  6. Step 6: Final answer
    x = 10,396.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.