Home / 13,512.02-20,250.60-5,605.60

Finding the Fourth Proportional to 13,512.02, 20,250.60 and 5,605.60

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Solution

The fourth proportional to 13,512.02, 20,250.60 and 5,605.60 is: 8,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.02 : 20,250.60 = 5,605.60 : x
  2. Step 2: Convert to fraction form
    13,512.02/20,250.60 = 5,605.60/x
  3. Step 3: Cross multiply
    13,512.02x = 20,250.60 × 5,605.60
  4. Step 4: Simplify right side
    13,512.02x = 113,516,763.36
  5. Step 5: Solve for x
    x = 113,516,763.36/13,512.02
  6. Step 6: Final answer
    x = 8,401.17

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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.