Home / 16,821.73-23,214.77-9,752.05

Finding the Fourth Proportional to 16,821.73, 23,214.77 and 9,752.05

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Solution

The fourth proportional to 16,821.73, 23,214.77 and 9,752.05 is: 13,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.73 : 23,214.77 = 9,752.05 : x
  2. Step 2: Convert to fraction form
    16,821.73/23,214.77 = 9,752.05/x
  3. Step 3: Cross multiply
    16,821.73x = 23,214.77 × 9,752.05
  4. Step 4: Simplify right side
    16,821.73x = 226,391,597.78
  5. Step 5: Solve for x
    x = 226,391,597.78/16,821.73
  6. Step 6: Final answer
    x = 13,458.28

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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.