Home / 13,635.02-20,447.47-4,748.07

Finding the Fourth Proportional to 13,635.02, 20,447.47 and 4,748.07

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Solution

The fourth proportional to 13,635.02, 20,447.47 and 4,748.07 is: 7,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.02 : 20,447.47 = 4,748.07 : x
  2. Step 2: Convert to fraction form
    13,635.02/20,447.47 = 4,748.07/x
  3. Step 3: Cross multiply
    13,635.02x = 20,447.47 × 4,748.07
  4. Step 4: Simplify right side
    13,635.02x = 97,086,067.61
  5. Step 5: Solve for x
    x = 97,086,067.61/13,635.02
  6. Step 6: Final answer
    x = 7,120.34

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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.