Home / 18,811.30-25,954.34-14,820.02

Finding the Fourth Proportional to 18,811.30, 25,954.34 and 14,820.02

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Solution

The fourth proportional to 18,811.30, 25,954.34 and 14,820.02 is: 20,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.30 : 25,954.34 = 14,820.02 : x
  2. Step 2: Convert to fraction form
    18,811.30/25,954.34 = 14,820.02/x
  3. Step 3: Cross multiply
    18,811.30x = 25,954.34 × 14,820.02
  4. Step 4: Simplify right side
    18,811.30x = 384,643,763.79
  5. Step 5: Solve for x
    x = 384,643,763.79/18,811.30
  6. Step 6: Final answer
    x = 20,447.49

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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.