Home / 13,670.07-20,505.06-4,905.60

Finding the Fourth Proportional to 13,670.07, 20,505.06 and 4,905.60

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Solution

The fourth proportional to 13,670.07, 20,505.06 and 4,905.60 is: 7,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.07 : 20,505.06 = 4,905.60 : x
  2. Step 2: Convert to fraction form
    13,670.07/20,505.06 = 4,905.60/x
  3. Step 3: Cross multiply
    13,670.07x = 20,505.06 × 4,905.60
  4. Step 4: Simplify right side
    13,670.07x = 100,589,622.34
  5. Step 5: Solve for x
    x = 100,589,622.34/13,670.07
  6. Step 6: Final answer
    x = 7,358.38

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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.