Home / 13,512.02-18,641.22-9,028.67

Finding the Fourth Proportional to 13,512.02, 18,641.22 and 9,028.67

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Solution

The fourth proportional to 13,512.02, 18,641.22 and 9,028.67 is: 12,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.02 : 18,641.22 = 9,028.67 : x
  2. Step 2: Convert to fraction form
    13,512.02/18,641.22 = 9,028.67/x
  3. Step 3: Cross multiply
    13,512.02x = 18,641.22 × 9,028.67
  4. Step 4: Simplify right side
    13,512.02x = 168,305,332.03
  5. Step 5: Solve for x
    x = 168,305,332.03/13,512.02
  6. Step 6: Final answer
    x = 12,455.97

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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.