Home / 16,905.64-23,331.78-9,452.20

Finding the Fourth Proportional to 16,905.64, 23,331.78 and 9,452.20

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Solution

The fourth proportional to 16,905.64, 23,331.78 and 9,452.20 is: 13,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.64 : 23,331.78 = 9,452.20 : x
  2. Step 2: Convert to fraction form
    16,905.64/23,331.78 = 9,452.20/x
  3. Step 3: Cross multiply
    16,905.64x = 23,331.78 × 9,452.20
  4. Step 4: Simplify right side
    16,905.64x = 220,536,650.92
  5. Step 5: Solve for x
    x = 220,536,650.92/16,905.64
  6. Step 6: Final answer
    x = 13,045.15

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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.