Home / 20,473.36-28,250.65-11,973.80

Finding the Fourth Proportional to 20,473.36, 28,250.65 and 11,973.80

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Solution

The fourth proportional to 20,473.36, 28,250.65 and 11,973.80 is: 16,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.36 : 28,250.65 = 11,973.80 : x
  2. Step 2: Convert to fraction form
    20,473.36/28,250.65 = 11,973.80/x
  3. Step 3: Cross multiply
    20,473.36x = 28,250.65 × 11,973.80
  4. Step 4: Simplify right side
    20,473.36x = 338,267,605.43
  5. Step 5: Solve for x
    x = 338,267,605.43/20,473.36
  6. Step 6: Final answer
    x = 16,522.33

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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.