Home / 20,097.11-30,158.49-14,170.34

Finding the Fourth Proportional to 20,097.11, 30,158.49 and 14,170.34

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Solution

The fourth proportional to 20,097.11, 30,158.49 and 14,170.34 is: 21,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.11 : 30,158.49 = 14,170.34 : x
  2. Step 2: Convert to fraction form
    20,097.11/30,158.49 = 14,170.34/x
  3. Step 3: Cross multiply
    20,097.11x = 30,158.49 × 14,170.34
  4. Step 4: Simplify right side
    20,097.11x = 427,356,057.19
  5. Step 5: Solve for x
    x = 427,356,057.19/20,097.11
  6. Step 6: Final answer
    x = 21,264.55

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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.