Home / 16,764.36-23,133.78-9,689.64

Finding the Fourth Proportional to 16,764.36, 23,133.78 and 9,689.64

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Solution

The fourth proportional to 16,764.36, 23,133.78 and 9,689.64 is: 13,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.36 : 23,133.78 = 9,689.64 : x
  2. Step 2: Convert to fraction form
    16,764.36/23,133.78 = 9,689.64/x
  3. Step 3: Cross multiply
    16,764.36x = 23,133.78 × 9,689.64
  4. Step 4: Simplify right side
    16,764.36x = 224,158,000.04
  5. Step 5: Solve for x
    x = 224,158,000.04/16,764.36
  6. Step 6: Final answer
    x = 13,371.10

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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.