Home / 12,975.48-17,910.54-9,001.86

Finding the Fourth Proportional to 12,975.48, 17,910.54 and 9,001.86

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Solution

The fourth proportional to 12,975.48, 17,910.54 and 9,001.86 is: 12,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.48 : 17,910.54 = 9,001.86 : x
  2. Step 2: Convert to fraction form
    12,975.48/17,910.54 = 9,001.86/x
  3. Step 3: Cross multiply
    12,975.48x = 17,910.54 × 9,001.86
  4. Step 4: Simplify right side
    12,975.48x = 161,228,173.60
  5. Step 5: Solve for x
    x = 161,228,173.60/12,975.48
  6. Step 6: Final answer
    x = 12,425.60

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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.