Home / 14,645.02-20,213.27-9,338.62

Finding the Fourth Proportional to 14,645.02, 20,213.27 and 9,338.62

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Solution

The fourth proportional to 14,645.02, 20,213.27 and 9,338.62 is: 12,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.02 : 20,213.27 = 9,338.62 : x
  2. Step 2: Convert to fraction form
    14,645.02/20,213.27 = 9,338.62/x
  3. Step 3: Cross multiply
    14,645.02x = 20,213.27 × 9,338.62
  4. Step 4: Simplify right side
    14,645.02x = 188,764,047.49
  5. Step 5: Solve for x
    x = 188,764,047.49/14,645.02
  6. Step 6: Final answer
    x = 12,889.30

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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.