Home / 16,822.89-23,215.78-9,269.20

Finding the Fourth Proportional to 16,822.89, 23,215.78 and 9,269.20

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Solution

The fourth proportional to 16,822.89, 23,215.78 and 9,269.20 is: 12,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.89 : 23,215.78 = 9,269.20 : x
  2. Step 2: Convert to fraction form
    16,822.89/23,215.78 = 9,269.20/x
  3. Step 3: Cross multiply
    16,822.89x = 23,215.78 × 9,269.20
  4. Step 4: Simplify right side
    16,822.89x = 215,191,748.58
  5. Step 5: Solve for x
    x = 215,191,748.58/16,822.89
  6. Step 6: Final answer
    x = 12,791.60

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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.