Home / 20,519.01-30,804.03-14,318.46

Finding the Fourth Proportional to 20,519.01, 30,804.03 and 14,318.46

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Solution

The fourth proportional to 20,519.01, 30,804.03 and 14,318.46 is: 21,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519.01 : 30,804.03 = 14,318.46 : x
  2. Step 2: Convert to fraction form
    20,519.01/30,804.03 = 14,318.46/x
  3. Step 3: Cross multiply
    20,519.01x = 30,804.03 × 14,318.46
  4. Step 4: Simplify right side
    20,519.01x = 441,066,271.39
  5. Step 5: Solve for x
    x = 441,066,271.39/20,519.01
  6. Step 6: Final answer
    x = 21,495.49

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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.