Home / 13,485.09-20,225.21-9,573.60

Finding the Fourth Proportional to 13,485.09, 20,225.21 and 9,573.60

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Solution

The fourth proportional to 13,485.09, 20,225.21 and 9,573.60 is: 14,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.09 : 20,225.21 = 9,573.60 : x
  2. Step 2: Convert to fraction form
    13,485.09/20,225.21 = 9,573.60/x
  3. Step 3: Cross multiply
    13,485.09x = 20,225.21 × 9,573.60
  4. Step 4: Simplify right side
    13,485.09x = 193,628,022.59
  5. Step 5: Solve for x
    x = 193,628,022.59/13,485.09
  6. Step 6: Final answer
    x = 14,358.67

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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.