Home / 16,774.72-23,149.60-9,703.36

Finding the Fourth Proportional to 16,774.72, 23,149.60 and 9,703.36

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Solution

The fourth proportional to 16,774.72, 23,149.60 and 9,703.36 is: 13,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.72 : 23,149.60 = 9,703.36 : x
  2. Step 2: Convert to fraction form
    16,774.72/23,149.60 = 9,703.36/x
  3. Step 3: Cross multiply
    16,774.72x = 23,149.60 × 9,703.36
  4. Step 4: Simplify right side
    16,774.72x = 224,628,902.66
  5. Step 5: Solve for x
    x = 224,628,902.66/16,774.72
  6. Step 6: Final answer
    x = 13,390.92

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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.