Home / 18,814.04-25,958.12-14,822.78

Finding the Fourth Proportional to 18,814.04, 25,958.12 and 14,822.78

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Solution

The fourth proportional to 18,814.04, 25,958.12 and 14,822.78 is: 20,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.04 : 25,958.12 = 14,822.78 : x
  2. Step 2: Convert to fraction form
    18,814.04/25,958.12 = 14,822.78/x
  3. Step 3: Cross multiply
    18,814.04x = 25,958.12 × 14,822.78
  4. Step 4: Simplify right side
    18,814.04x = 384,771,501.97
  5. Step 5: Solve for x
    x = 384,771,501.97/18,814.04
  6. Step 6: Final answer
    x = 20,451.30

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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.