Home / 20,206.22-30,325.13-14,009.88

Finding the Fourth Proportional to 20,206.22, 30,325.13 and 14,009.88

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Solution

The fourth proportional to 20,206.22, 30,325.13 and 14,009.88 is: 21,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.22 : 30,325.13 = 14,009.88 : x
  2. Step 2: Convert to fraction form
    20,206.22/30,325.13 = 14,009.88/x
  3. Step 3: Cross multiply
    20,206.22x = 30,325.13 × 14,009.88
  4. Step 4: Simplify right side
    20,206.22x = 424,851,432.28
  5. Step 5: Solve for x
    x = 424,851,432.28/20,206.22
  6. Step 6: Final answer
    x = 21,025.77

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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.