Home / 20,504.36-30,644.18-14,969.36

Finding the Fourth Proportional to 20,504.36, 30,644.18 and 14,969.36

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Solution

The fourth proportional to 20,504.36, 30,644.18 and 14,969.36 is: 22,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.36 : 30,644.18 = 14,969.36 : x
  2. Step 2: Convert to fraction form
    20,504.36/30,644.18 = 14,969.36/x
  3. Step 3: Cross multiply
    20,504.36x = 30,644.18 × 14,969.36
  4. Step 4: Simplify right side
    20,504.36x = 458,723,762.32
  5. Step 5: Solve for x
    x = 458,723,762.32/20,504.36
  6. Step 6: Final answer
    x = 22,372.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.